5642490508506 has 24 divisors (see below), whose sum is σ = 12238388057844. Its totient is φ = 1878831407040.

The previous prime is 5642490508433. The next prime is 5642490508519. The reversal of 5642490508506 is 6058050942465.

5642490508506 is a `hidden beast` number, since 5 + 6 + 42 + 4 + 90 + 5 + 0 + 8 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5602333955625 + 40156552881 = 2366925^2 + 200391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166546131 + ... + 166580006.

Almost surely, 2^{5642490508506} is an apocalyptic number.

5642490508506 is an abundant number, since it is smaller than the sum of its proper divisors (6595897549338).

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

5642490508506 is a wasteful number, since it uses less digits than its factorization.

5642490508506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333127086 (or 333127083 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 5642490508506 in words is "five trillion, six hundred forty-two billion, four hundred ninety million, five hundred eight thousand, five hundred six".