40032695064 has 32 divisors (see below), whose sum is σ = 100343070720. Its totient is φ = 13309387296.

The previous prime is 40032695063. The next prime is 40032695093. The reversal of 40032695064 is 46059623004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032695063) 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, 2168392 + ... + 2186775.

It is an arithmetic number, because the mean of its divisors is an integer number (3135720960).

Almost surely, 2^40032695064 is an apocalyptic number.

It is an amenable number.

40032695064 is an abundant number, since it is smaller than the sum of its proper divisors (60310375656).

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

40032695064 is a wasteful number, since it uses less digits than its factorization.

40032695064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355559 (or 4355555 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 40032695064 in words is "forty billion, thirty-two million, six hundred ninety-five thousand, sixty-four".