40364864 has 14 divisors (see below), whose sum is σ = 80099154. Its totient is φ = 20182400.

The previous prime is 40364861. The next prime is 40364881. The reversal of 40364864 is 46846304.

It is a happy number.

40364864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 17707264 = 4760^2 + 4208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40364861) by changing a digit.

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, 315287 + ... + 315414.

Almost surely, 2^40364864 is an apocalyptic number.

It is an amenable number.

40364864 is a deficient number, since it is larger than the sum of its proper divisors (39734290).

40364864 is an equidigital number, since it uses as much as digits as its factorization.

40364864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630713 (or 630703 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 40364864 is about 6353.3348723328. The cubic root of 40364864 is about 343.0318913418.

The spelling of 40364864 in words is "forty million, three hundred sixty-four thousand, eight hundred sixty-four".