40870138558 has 16 divisors (see below), whose sum is σ = 63984660480. Its totient is φ = 19542307576.

The previous prime is 40870138511. The next prime is 40870138571. The reversal of 40870138558 is 85583107804.

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, 120291 + ... + 310177.

It is an arithmetic number, because the mean of its divisors is an integer number (3999041280).

Almost surely, 2^40870138558 is an apocalyptic number.

40870138558 is a deficient number, since it is larger than the sum of its proper divisors (23114521922).

40870138558 is a wasteful number, since it uses less digits than its factorization.

40870138558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194591.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 40870138558 in words is "forty billion, eight hundred seventy million, one hundred thirty-eight thousand, five hundred fifty-eight".