40402640536130 has 16 divisors (see below), whose sum is σ = 77002679610360. Its totient is φ = 15210405848832.

The previous prime is 40402640536117. The next prime is 40402640536201. The reversal of 40402640536130 is 3163504620404.

It can be written as a sum of positive squares in 4 ways, for example, as 39404281862089 + 998358674041 = 6277283^2 + 999179^2 .

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, 118831295525 + ... + 118831295864.

Almost surely, 2^{40402640536130} is an apocalyptic number.

40402640536130 is a deficient number, since it is larger than the sum of its proper divisors (36600039074230).

40402640536130 is a wasteful number, since it uses less digits than its factorization.

40402640536130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237662591413.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 40402640536130 in words is "forty trillion, four hundred two billion, six hundred forty million, five hundred thirty-six thousand, one hundred thirty".