32640012455 has 16 divisors (see below), whose sum is σ = 39770771040. Its totient is φ = 25710529152.

The previous prime is 32640012409. The next prime is 32640012469. The reversal of 32640012455 is 55421004623.

It is a cyclic number.

It is not a de Polignac number, because 32640012455 - 2¹⁰ = 32640011431 is a prime.

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, 752417 + ... + 794613.

It is an arithmetic number, because the mean of its divisors is an integer number (2485673190).

Almost surely, 2^32640012455 is an apocalyptic number.

32640012455 is a deficient number, since it is larger than the sum of its proper divisors (7130758585).

32640012455 is a wasteful number, since it uses less digits than its factorization.

32640012455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44578.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 32640012455 in words is "thirty-two billion, six hundred forty million, twelve thousand, four hundred fifty-five".