40019704 has 8 divisors (see below), whose sum is σ = 75036960. Its totient is φ = 20009848.

The previous prime is 40019699. The next prime is 40019743. The reversal of 40019704 is 40791004.

40019704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501224 + ... + 2501239.

It is an arithmetic number, because the mean of its divisors is an integer number (9379620).

Almost surely, 2^40019704 is an apocalyptic number.

It is an amenable number.

40019704 is a deficient number, since it is larger than the sum of its proper divisors (35017256).

40019704 is a wasteful number, since it uses less digits than its factorization.

40019704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002469 (or 5002465 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40019704 is about 6326.1128665240. The cubic root of 40019704 is about 342.0513357272.

The spelling of 40019704 in words is "forty million, nineteen thousand, seven hundred four".