40640014452 has 24 divisors (see below), whose sum is σ = 94830768256. Its totient is φ = 13546090368.

The previous prime is 40640014447. The next prime is 40640014469. The reversal of 40640014452 is 25441004604.

It is a happy number.

40640014452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40640014452² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291948 + ... + 408060.

Almost surely, 2^40640014452 is an apocalyptic number.

It is an amenable number.

40640014452 is an abundant number, since it is smaller than the sum of its proper divisors (54190753804).

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

40640014452 is a wasteful number, since it uses less digits than its factorization.

40640014452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145287 (or 145285 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 40640014452 in words is "forty billion, six hundred forty million, fourteen thousand, four hundred fifty-two".