40631316 has 36 divisors (see below), whose sum is σ = 104212416. Its totient is φ = 12312080.

The previous prime is 40631293. The next prime is 40631351. The reversal of 40631316 is 61313604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12540 + ... + 15443.

Almost surely, 2^40631316 is an apocalyptic number.

It is an amenable number.

40631316 is an abundant number, since it is smaller than the sum of its proper divisors (63581100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40631316 is a wasteful number, since it uses less digits than its factorization.

40631316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012 (or 27999 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40631316 is about 6374.2698405386. The cubic root of 40631316 is about 343.7850310966.

The spelling of 40631316 in words is "forty million, six hundred thirty-one thousand, three hundred sixteen".