40404976 has 20 divisors (see below), whose sum is σ = 78604344. Its totient is φ = 20120000.

The previous prime is 40404961. The next prime is 40404977. The reversal of 40404976 is 67940404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015 + ... + 9046.

Almost surely, 2^40404976 is an apocalyptic number.

It is an amenable number.

40404976 is a deficient number, since it is larger than the sum of its proper divisors (38199368).

40404976 is a wasteful number, since it uses less digits than its factorization.

40404976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320 (or 10314 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40404976 is about 6356.4908558103. The cubic root of 40404976 is about 343.1454813848.

The spelling of 40404976 in words is "forty million, four hundred four thousand, nine hundred seventy-six".