40407529164 has 24 divisors (see below), whose sum is σ = 94288154688. Its totient is φ = 13468616400.

The previous prime is 40407529091. The next prime is 40407529189. The reversal of 40407529164 is 46192570404.

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, 315639 + ... + 424785.

It is an arithmetic number, because the mean of its divisors is an integer number (3928673112).

Almost surely, 2^40407529164 is an apocalyptic number.

It is an amenable number.

40407529164 is an abundant number, since it is smaller than the sum of its proper divisors (53880625524).

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

40407529164 is a wasteful number, since it uses less digits than its factorization.

40407529164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140005 (or 140003 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 40407529164 in words is "forty billion, four hundred seven million, five hundred twenty-nine thousand, one hundred sixty-four".