40406670404 has 12 divisors (see below), whose sum is σ = 70720321728. Its totient is φ = 20200864200.

The previous prime is 40406670391. The next prime is 40406670419. The reversal of 40406670404 is 40407660404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580712 + ... + 646559.

It is an arithmetic number, because the mean of its divisors is an integer number (5893360144).

Almost surely, 2^40406670404 is an apocalyptic number.

It is an amenable number.

40406670404 is a deficient number, since it is larger than the sum of its proper divisors (30313651324).

40406670404 is a wasteful number, since it uses less digits than its factorization.

40406670404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235506 (or 1235504 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 40406670404 in words is "forty billion, four hundred six million, six hundred seventy thousand, four hundred four".