6402732632 has 32 divisors (see below), whose sum is σ = 12659275200. Its totient is φ = 3027520800.

The previous prime is 6402732577. The next prime is 6402732647. The reversal of 6402732632 is 2362372046.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6402732592 and 6402732601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49907 + ... + 123677.

It is an arithmetic number, because the mean of its divisors is an integer number (395602350).

Almost surely, 2^6402732632 is an apocalyptic number.

It is an amenable number.

6402732632 is a deficient number, since it is larger than the sum of its proper divisors (6256542568).

6402732632 is a wasteful number, since it uses less digits than its factorization.

6402732632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74367 (or 74363 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 6402732632 is about 80017.0771273233. The cubic root of 6402732632 is about 1856.8997407242.

The spelling of 6402732632 in words is "six billion, four hundred two million, seven hundred thirty-two thousand, six hundred thirty-two".