40507316 has 24 divisors (see below), whose sum is σ = 77196000. Its totient is φ = 18525024.

The previous prime is 40507307. The next prime is 40507321. The reversal of 40507316 is 61370504.

40507316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (3216500).

Almost surely, 2^40507316 is an apocalyptic number.

It is an amenable number.

40507316 is a deficient number, since it is larger than the sum of its proper divisors (36688684).

40507316 is a wasteful number, since it uses less digits than its factorization.

40507316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18429 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 40507316 is about 6364.5358039687. The cubic root of 40507316 is about 343.4349498652.

The spelling of 40507316 in words is "forty million, five hundred seven thousand, three hundred sixteen".