40740665052 has 24 divisors (see below), whose sum is σ = 95293987600. Its totient is φ = 13547016576.

The previous prime is 40740665047. The next prime is 40740665057. The reversal of 40740665052 is 25056604704.

It is an interprime number because it is at equal distance from previous prime (40740665047) and next prime (40740665057).

It is a self number, because there is not a number n which added to its sum of digits gives 40740665052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40740665057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145527 + ... + 4155342.

Almost surely, 2^40740665052 is an apocalyptic number.

It is an amenable number.

40740665052 is an abundant number, since it is smaller than the sum of its proper divisors (54553322548).

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

40740665052 is a wasteful number, since it uses less digits than its factorization.

40740665052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301285 (or 8301283 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 40740665052 in words is "forty billion, seven hundred forty million, six hundred sixty-five thousand, fifty-two".