40870138126 has 16 divisors (see below), whose sum is σ = 61924262400. Its totient is φ = 20229742008.

The previous prime is 40870138109. The next prime is 40870138181. The reversal of 40870138126 is 62183107804.

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 7 ways as a sum of consecutive naturals, for example, 176136 + ... + 335803.

It is an arithmetic number, because the mean of its divisors is an integer number (3870266400).

Almost surely, 2^40870138126 is an apocalyptic number.

40870138126 is a deficient number, since it is larger than the sum of its proper divisors (21054124274).

40870138126 is a wasteful number, since it uses less digits than its factorization.

40870138126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512343.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 40870138126 in words is "forty billion, eight hundred seventy million, one hundred thirty-eight thousand, one hundred twenty-six".