65400964932 has 12 divisors (see below), whose sum is σ = 152602251536. Its totient is φ = 21800321640.

The previous prime is 65400964903. The next prime is 65400964933. The reversal of 65400964932 is 23946900456.

65400964932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (65400964933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725040194 + ... + 2725040217.

Almost surely, 2^65400964932 is an apocalyptic number.

It is an amenable number.

65400964932 is an abundant number, since it is smaller than the sum of its proper divisors (87201286604).

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

65400964932 is a wasteful number, since it uses less digits than its factorization.

65400964932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450080418 (or 5450080416 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 65400964932 in words is "sixty-five billion, four hundred million, nine hundred sixty-four thousand, nine hundred thirty-two".