40855715 has 16 divisors (see below), whose sum is σ = 49871808. Its totient is φ = 32126976.

The previous prime is 40855699. The next prime is 40855723. The reversal of 40855715 is 51755804.

It is a cyclic number.

It is not a de Polignac number, because 40855715 - 2⁴ = 40855699 is a prime.

It is a super-2 number, since 2×40855715² = 3338378896322450, 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 15 ways as a sum of consecutive naturals, for example, 94139 + ... + 94571.

It is an arithmetic number, because the mean of its divisors is an integer number (3116988).

Almost surely, 2^40855715 is an apocalyptic number.

40855715 is a deficient number, since it is larger than the sum of its proper divisors (9016093).

40855715 is a wasteful number, since it uses less digits than its factorization.

40855715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 40855715 is about 6391.8475419866. The cubic root of 40855715 is about 344.4167559159.

The spelling of 40855715 in words is "forty million, eight hundred fifty-five thousand, seven hundred fifteen".