40396704 has 24 divisors (see below), whose sum is σ = 106041600. Its totient is φ = 13465536.

The previous prime is 40396669. The next prime is 40396747. The reversal of 40396704 is 40769304.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210304 + ... + 210495.

It is an arithmetic number, because the mean of its divisors is an integer number (4418400).

Almost surely, 2^40396704 is an apocalyptic number.

It is an amenable number.

40396704 is an abundant number, since it is smaller than the sum of its proper divisors (65644896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40396704 is a wasteful number, since it uses less digits than its factorization.

40396704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420812 (or 420804 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40396704 is about 6355.8401490283. The cubic root of 40396704 is about 343.1220627086.

The spelling of 40396704 in words is "forty million, three hundred ninety-six thousand, seven hundred four".