40715715 has 16 divisors (see below), whose sum is σ = 65623968. Its totient is φ = 21555456.

The previous prime is 40715707. The next prime is 40715729. The reversal of 40715715 is 51751704.

40715715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40715715 - 2³ = 40715707 is a prime.

It is a super-2 number, since 2×40715715² = 3315538895922450, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 7852 + ... + 11961.

It is an arithmetic number, because the mean of its divisors is an integer number (4101498).

Almost surely, 2^40715715 is an apocalyptic number.

40715715 is a deficient number, since it is larger than the sum of its proper divisors (24908253).

40715715 is a wasteful number, since it uses less digits than its factorization.

40715715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19958.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 40715715 is about 6380.8866938694. The cubic root of 40715715 is about 344.0229021844.

The spelling of 40715715 in words is "forty million, seven hundred fifteen thousand, seven hundred fifteen".