40042605604 has 24 divisors (see below), whose sum is σ = 71979239808. Its totient is φ = 19482034080.

The previous prime is 40042605601. The next prime is 40042605607. The reversal of 40042605604 is 40650624004.

It is an interprime number because it is at equal distance from previous prime (40042605601) and next prime (40042605607).

It is not an unprimeable number, because it can be changed into a prime (40042605601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583062 + ... + 648109.

It is an arithmetic number, because the mean of its divisors is an integer number (2999134992).

Almost surely, 2^40042605604 is an apocalyptic number.

It is an amenable number.

40042605604 is a deficient number, since it is larger than the sum of its proper divisors (31936634204).

40042605604 is a wasteful number, since it uses less digits than its factorization.

40042605604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231395 (or 1231393 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 40042605604 in words is "forty billion, forty-two million, six hundred five thousand, six hundred four".