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25230455325040 = 2457231958886283
BaseRepresentation
bin1011011110010011011000…
…10100111100000101110000
310022100000012210221010110211
411233021230110330011300
511301333433030400130
6125354413340033504
75212561126515130
oct557115424740560
9108300183833424
1025230455325040
1180481a3302209
1229b59b8532894
1311102b61a1954
146332367b6ac0
152db47e5e6a2a
hex16f26c53c170

25230455325040 has 80 divisors (see below), whose sum is σ = 69955746974208. Its totient is φ = 8274335655168.

The previous prime is 25230455324959. The next prime is 25230455325059. The reversal of 25230455325040 is 4052355403252.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 25230455324984 and 25230455325002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979430262 + ... + 979456021.

Almost surely, 225230455325040 is an apocalyptic number.

25230455325040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25230455325040 is an abundant number, since it is smaller than the sum of its proper divisors (44725291649168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25230455325040 is a wasteful number, since it uses less digits than its factorization.

25230455325040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958886326 (or 1958886320 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 25230455325040 in words is "twenty-five trillion, two hundred thirty billion, four hundred fifty-five million, three hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 56 70 80 92 112 115 140 161 184 230 280 322 368 460 560 644 805 920 1288 1610 1840 2576 3220 6440 12880 1958886283 3917772566 7835545132 9794431415 13712203981 15671090264 19588862830 27424407962 31342180528 39177725660 45054384509 54848815924 68561019905 78355451320 90108769018 109697631848 137122039810 156710902640 180217538036 219395263696 225271922545 274244079620 315380691563 360435076072 450543845090 548488159240 630761383126 720870152144 901087690180 1096976318480 1261522766252 1576903457815 1802175380360 2523045532504 3153806915630 3604350760720 5046091065008 6307613831260 12615227662520 25230455325040