40368564 has 24 divisors (see below), whose sum is σ = 104659520. Its totient is φ = 13456152.

The previous prime is 40368553. The next prime is 40368571. The reversal of 40368564 is 46586304.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186784 + ... + 186999.

Almost surely, 2^40368564 is an apocalyptic number.

It is an amenable number.

40368564 is an abundant number, since it is smaller than the sum of its proper divisors (64290956).

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

40368564 is a wasteful number, since it uses less digits than its factorization.

40368564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373796 (or 373788 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 40368564 is about 6353.6260513190. The cubic root of 40368564 is about 343.0423722328.

The spelling of 40368564 in words is "forty million, three hundred sixty-eight thousand, five hundred sixty-four".