40988404 has 12 divisors (see below), whose sum is σ = 71777664. Its totient is φ = 20480504.

The previous prime is 40988393. The next prime is 40988413. The reversal of 40988404 is 40488904.

It is a congruent number.

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, 6507 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (5981472).

Almost surely, 2^40988404 is an apocalyptic number.

It is an amenable number.

40988404 is a deficient number, since it is larger than the sum of its proper divisors (30789260).

40988404 is a wasteful number, since it uses less digits than its factorization.

40988404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 40988404 is about 6402.2186779272. The cubic root of 40988404 is about 344.7892124144.

Subtracting from 40988404 its reverse (40488904), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 40988404 in words is "forty million, nine hundred eighty-eight thousand, four hundred four".