40640014552 has 8 divisors (see below), whose sum is σ = 76200027300. Its totient is φ = 20320007272.

The previous prime is 40640014543. The next prime is 40640014559. The reversal of 40640014552 is 25541004604.

It is a happy number.

40640014552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40640014552² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40640014559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540000902 + ... + 2540000917.

Almost surely, 2^40640014552 is an apocalyptic number.

It is an amenable number.

40640014552 is a deficient number, since it is larger than the sum of its proper divisors (35560012748).

40640014552 is a wasteful number, since it uses less digits than its factorization.

40640014552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080001825 (or 5080001821 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 40640014552 in words is "forty billion, six hundred forty million, fourteen thousand, five hundred fifty-two".