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40257230880 = 2535412045591
BaseRepresentation
bin100101011111100001…
…001001100000100000
310211220121002012221010
4211133201021200200
51124421322342010
630254404100520
72623416550026
oct453741114040
9124817065833
1040257230880
1116089180449
127976094740
133a47457299
141d3c80a716
1510a9398620
hex95f849820

40257230880 has 96 divisors (see below), whose sum is σ = 129903274368. Its totient is φ = 10473420800.

The previous prime is 40257230833. The next prime is 40257230899. The reversal of 40257230880 is 8803275204.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1003116 + ... + 1042475.

It is an arithmetic number, because the mean of its divisors is an integer number (1353159108).

Almost surely, 240257230880 is an apocalyptic number.

40257230880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40257230880 is an abundant number, since it is smaller than the sum of its proper divisors (89646043488).

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

40257230880 is a wasteful number, since it uses less digits than its factorization.

40257230880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045650 (or 2045642 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 40257230880 in words is "forty billion, two hundred fifty-seven million, two hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 80 82 96 120 123 160 164 205 240 246 328 410 480 492 615 656 820 984 1230 1312 1640 1968 2460 3280 3936 4920 6560 9840 19680 2045591 4091182 6136773 8182364 10227955 12273546 16364728 20455910 24547092 30683865 32729456 40911820 49094184 61367730 65458912 81823640 83869231 98188368 122735460 163647280 167738462 196376736 245470920 251607693 327294560 335476924 419346155 490941840 503215386 670953848 838692310 981883680 1006430772 1258038465 1341907696 1677384620 2012861544 2516076930 2683815392 3354769240 4025723088 5032153860 6709538480 8051446176 10064307720 13419076960 20128615440 40257230880