40640655024 has 30 divisors (see below), whose sum is σ = 113737389116. Its totient is φ = 13546884960.

The previous prime is 40640654981. The next prime is 40640655079. The reversal of 40640655024 is 42055604604.

40640655024 is a `hidden beast` number, since 4 + 0 + 640 + 6 + 5 + 5 + 0 + 2 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40640655024.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141113242 + ... + 141113529.

Almost surely, 2^40640655024 is an apocalyptic number.

It is an amenable number.

40640655024 is an abundant number, since it is smaller than the sum of its proper divisors (73096734092).

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

40640655024 is a wasteful number, since it uses less digits than its factorization.

40640655024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282226785 (or 282226776 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 40640655024 in words is "forty billion, six hundred forty million, six hundred fifty-five thousand, twenty-four".