32640265554 has 24 divisors (see below), whose sum is σ = 70688387952. Its totient is φ = 10043158320.

The previous prime is 32640265507. The next prime is 32640265589. The reversal of 32640265554 is 45556204623.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16093792 + ... + 16095819.

It is an arithmetic number, because the mean of its divisors is an integer number (2945349498).

Almost surely, 2^32640265554 is an apocalyptic number.

32640265554 is an abundant number, since it is smaller than the sum of its proper divisors (38048122398).

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

32640265554 is a wasteful number, since it uses less digits than its factorization.

32640265554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32189642 (or 32189629 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 32640265554 in words is "thirty-two billion, six hundred forty million, two hundred sixty-five thousand, five hundred fifty-four".