40404040738 has 8 divisors (see below), whose sum is σ = 60607707840. Its totient is φ = 20201471460.

The previous prime is 40404040717. The next prime is 40404040741. The reversal of 40404040738 is 83704040404.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 175278 + ... + 333961.

It is an arithmetic number, because the mean of its divisors is an integer number (7575963480).

Almost surely, 2^40404040738 is an apocalyptic number.

40404040738 is a deficient number, since it is larger than the sum of its proper divisors (20203667102).

40404040738 is a wasteful number, since it uses less digits than its factorization.

40404040738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548912.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 40404040738 in words is "forty billion, four hundred four million, forty thousand, seven hundred thirty-eight".