40164715 has 4 divisors (see below), whose sum is σ = 48197664. Its totient is φ = 32131768.

The previous prime is 40164679. The next prime is 40164749. The reversal of 40164715 is 51746104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40164715 - 2⁷ = 40164587 is a prime.

It is a super-2 number, since 2×40164715² = 3226408662062450, which contains 22 as substring.

It is a Duffinian 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, 4016467 + ... + 4016476.

It is an arithmetic number, because the mean of its divisors is an integer number (12049416).

Almost surely, 2^40164715 is an apocalyptic number.

40164715 is a deficient number, since it is larger than the sum of its proper divisors (8032949).

40164715 is an equidigital number, since it uses as much as digits as its factorization.

40164715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032948.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40164715 is about 6337.5638063849. The cubic root of 40164715 is about 342.4639775992.

The spelling of 40164715 in words is "forty million, one hundred sixty-four thousand, seven hundred fifteen".