40885313 has 16 divisors (see below), whose sum is σ = 47938176. Its totient is φ = 34145280.

The previous prime is 40885307. The next prime is 40885319. The reversal of 40885313 is 31358804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40885307) and next prime (40885319).

It is a cyclic number.

It is not a de Polignac number, because 40885313 - 2⁴ = 40885297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40885313.

It is not an unprimeable number, because it can be changed into a prime (40885319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71318 + ... + 71888.

It is an arithmetic number, because the mean of its divisors is an integer number (2996136).

Almost surely, 2^40885313 is an apocalyptic number.

It is an amenable number.

40885313 is a deficient number, since it is larger than the sum of its proper divisors (7052863).

40885313 is a wasteful number, since it uses less digits than its factorization.

40885313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 40885313 is about 6394.1624158290. The cubic root of 40885313 is about 344.4999069629.

The spelling of 40885313 in words is "forty million, eight hundred eighty-five thousand, three hundred thirteen".