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42620256480 = 253588792201
BaseRepresentation
bin100111101100010111…
…011000000011100000
311002000021112100122210
4213230113120003200
51144241241201410
631325100002120
73036112126344
oct475427300340
9132007470583
1042620256480
111709102956a
128315530340
134032b98599
1420c45a3624
151196a69220
hex9ec5d80e0

42620256480 has 48 divisors (see below), whose sum is σ = 134253809424. Its totient is φ = 11365401600.

The previous prime is 42620256433. The next prime is 42620256527. The reversal of 42620256480 is 8465202624.

It is an interprime number because it is at equal distance from previous prime (42620256433) and next prime (42620256527).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44395621 + ... + 44396580.

It is an arithmetic number, because the mean of its divisors is an integer number (2796954363).

Almost surely, 242620256480 is an apocalyptic number.

42620256480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42620256480 is an abundant number, since it is smaller than the sum of its proper divisors (91633552944).

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

42620256480 is a wasteful number, since it uses less digits than its factorization.

42620256480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88792219 (or 88792211 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 42620256480 in words is "forty-two billion, six hundred twenty million, two hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 88792201 177584402 266376603 355168804 443961005 532753206 710337608 887922010 1065506412 1331883015 1420675216 1775844020 2131012824 2663766030 2841350432 3551688040 4262025648 5327532060 7103376080 8524051296 10655064120 14206752160 21310128240 42620256480