40513712 has 10 divisors (see below), whose sum is σ = 78495348. Its totient is φ = 20256848.

The previous prime is 40513709. The next prime is 40513723. The reversal of 40513712 is 21731504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266038 + ... + 1266069.

Almost surely, 2^40513712 is an apocalyptic number.

It is an amenable number.

40513712 is a deficient number, since it is larger than the sum of its proper divisors (37981636).

40513712 is a wasteful number, since it uses less digits than its factorization.

40513712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532115 (or 2532109 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 40513712 is about 6365.0382559730. The cubic root of 40513712 is about 343.4530247428.

The spelling of 40513712 in words is "forty million, five hundred thirteen thousand, seven hundred twelve".