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40690554960 = 24351141253173
BaseRepresentation
bin100101111001010110…
…001001100001010000
310220000210110100211010
4211321112021201100
51131313240224320
630405403450520
72640231003366
oct457126114120
9126023410733
1040690554960
1116290837220
127a77226a40
133ab6165873
141d801a7636
1510d2440ae0
hex979589850

40690554960 has 480 divisors, whose sum is σ = 144538141824. Its totient is φ = 9387622400.

The previous prime is 40690554937. The next prime is 40690555051. The reversal of 40690554960 is 6945509604.

It is a Cunningham number, because it is equal to 2017192-1.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235205434 + ... + 235205606.

Almost surely, 240690554960 is an apocalyptic number.

40690554960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40690554960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72269070912).

40690554960 is an abundant number, since it is smaller than the sum of its proper divisors (103847586864).

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

40690554960 is a wasteful number, since it uses less digits than its factorization.

40690554960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 40690554960 in words is "forty billion, six hundred ninety million, five hundred fifty-four thousand, nine hundred sixty".