32396921040 has 80 divisors (see below), whose sum is σ = 109560505536. Its totient is φ = 7853798400.

The previous prime is 32396921027. The next prime is 32396921093. The reversal of 32396921040 is 4012969323.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 32396921040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6133141 + ... + 6138420.

Almost surely, 2^32396921040 is an apocalyptic number.

32396921040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32396921040 is an abundant number, since it is smaller than the sum of its proper divisors (77163584496).

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

32396921040 is a wasteful number, since it uses less digits than its factorization.

32396921040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271588 (or 12271582 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 32396921040 in words is "thirty-two billion, three hundred ninety-six million, nine hundred twenty-one thousand, forty".