40201818564 has 24 divisors (see below), whose sum is σ = 93833988640. Its totient is φ = 13396356864.

The previous prime is 40201818529. The next prime is 40201818583. The reversal of 40201818564 is 46581810204.

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, 491629 + ... + 567540.

Almost surely, 2^40201818564 is an apocalyptic number.

It is an amenable number.

40201818564 is an abundant number, since it is smaller than the sum of its proper divisors (53632170076).

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

40201818564 is a wasteful number, since it uses less digits than its factorization.

40201818564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062339 (or 1062337 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 40201818564 in words is "forty billion, two hundred one million, eight hundred eighteen thousand, five hundred sixty-four".