40316913 has 64 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 20839680.

The previous prime is 40316869. The next prime is 40316933. The reversal of 40316913 is 31961304.

It is not a de Polignac number, because 40316913 - 2⁸ = 40316657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40316933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149743 + ... + 150011.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^40316913 is an apocalyptic number.

It is an amenable number.

40316913 is a deficient number, since it is larger than the sum of its proper divisors (34678287).

40316913 is a wasteful number, since it uses less digits than its factorization.

40316913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 40316913 is about 6349.5600635005. The cubic root of 40316913 is about 342.8960038541.

The spelling of 40316913 in words is "forty million, three hundred sixteen thousand, nine hundred thirteen".