40531066560 has 168 divisors, whose sum is σ = 143907394176. Its totient is φ = 10459607040.

The previous prime is 40531066519. The next prime is 40531066571. The reversal of 40531066560 is 6566013504.

40531066560 is a `hidden beast` number, since 4 + 0 + 5 + 31 + 0 + 66 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137709 + ... + 316268.

It is an arithmetic number, because the mean of its divisors is an integer number (856591632).

Almost surely, 2^40531066560 is an apocalyptic number.

40531066560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40531066560 is an abundant number, since it is smaller than the sum of its proper divisors (103376327616).

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

40531066560 is a wasteful number, since it uses less digits than its factorization.

40531066560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454031 (or 454018 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 40531066560 in words is "forty billion, five hundred thirty-one million, sixty-six thousand, five hundred sixty".