40255072520 has 64 divisors (see below), whose sum is σ = 98775936000. Its totient is φ = 14675251968.

The previous prime is 40255072519. The next prime is 40255072549. The reversal of 40255072520 is 2527055204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448880 + ... + 531039.

It is an arithmetic number, because the mean of its divisors is an integer number (1543374000).

Almost surely, 2^40255072520 is an apocalyptic number.

40255072520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40255072520 is an abundant number, since it is smaller than the sum of its proper divisors (58520863480).

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

40255072520 is a wasteful number, since it uses less digits than its factorization.

40255072520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980022 (or 980018 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The spelling of 40255072520 in words is "forty billion, two hundred fifty-five million, seventy-two thousand, five hundred twenty".