40406896 has 20 divisors (see below), whose sum is σ = 79458952. Its totient is φ = 19901376.

The previous prime is 40406843. The next prime is 40406903. The reversal of 40406896 is 69860404.

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, 17775 + ... + 19918.

Almost surely, 2^40406896 is an apocalyptic number.

It is an amenable number.

40406896 is a deficient number, since it is larger than the sum of its proper divisors (39052056).

40406896 is a wasteful number, since it uses less digits than its factorization.

40406896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37768 (or 37762 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40406896 is about 6356.6418807417. The cubic root of 40406896 is about 343.1509165972.

The spelling of 40406896 in words is "forty million, four hundred six thousand, eight hundred ninety-six".