4640645432 has 16 divisors (see below), whose sum is σ = 8753315760. Its totient is φ = 2306427904.

The previous prime is 4640645423. The next prime is 4640645459. The reversal of 4640645432 is 2345460464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735433 + ... + 1738104.

It is an arithmetic number, because the mean of its divisors is an integer number (547082235).

Almost surely, 2^4640645432 is an apocalyptic number.

It is an amenable number.

4640645432 is a deficient number, since it is larger than the sum of its proper divisors (4112670328).

4640645432 is a wasteful number, since it uses less digits than its factorization.

4640645432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473710 (or 3473706 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The square root of 4640645432 is about 68122.2829329728. The cubic root of 4640645432 is about 1667.9875158890.

The spelling of 4640645432 in words is "four billion, six hundred forty million, six hundred forty-five thousand, four hundred thirty-two".