40079404 has 24 divisors (see below), whose sum is σ = 76664448. Its totient is φ = 18251520.

The previous prime is 40079371. The next prime is 40079437. The reversal of 40079404 is 40497004.

40079404 = T₄₄₀ + T₄₄₁ + ... + T₆₈₇.

It is an interprime number because it is at equal distance from previous prime (40079371) and next prime (40079437).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 7399 + ... + 11614.

It is an arithmetic number, because the mean of its divisors is an integer number (3194352).

Almost surely, 2^40079404 is an apocalyptic number.

It is an amenable number.

40079404 is a deficient number, since it is larger than the sum of its proper divisors (36585044).

40079404 is a wasteful number, since it uses less digits than its factorization.

40079404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19065 (or 19063 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40079404 is about 6330.8296454730. The cubic root of 40079404 is about 342.2213379755.

The spelling of 40079404 in words is "forty million, seventy-nine thousand, four hundred four".