6642492432 has 40 divisors (see below), whose sum is σ = 17170094496. Its totient is φ = 2212832256.

The previous prime is 6642492421. The next prime is 6642492449. The reversal of 6642492432 is 2342942466.

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, 40683 + ... + 122229.

Almost surely, 2^6642492432 is an apocalyptic number.

It is an amenable number.

6642492432 is an abundant number, since it is smaller than the sum of its proper divisors (10527602064).

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

6642492432 is a wasteful number, since it uses less digits than its factorization.

6642492432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83255 (or 83249 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The square root of 6642492432 is about 81501.4872993125. The cubic root of 6642492432 is about 1879.7944199529.

The spelling of 6642492432 in words is "six billion, six hundred forty-two million, four hundred ninety-two thousand, four hundred thirty-two".