40713816 has 64 divisors (see below), whose sum is σ = 119589120. Its totient is φ = 11387520.

The previous prime is 40713791. The next prime is 40713833. The reversal of 40713816 is 61831704.

It is a happy number.

It is a super-2 number, since 2×40713816² = 3315229626563712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (1868580).

Almost surely, 2^40713816 is an apocalyptic number.

It is an amenable number.

40713816 is an abundant number, since it is smaller than the sum of its proper divisors (78875304).

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

40713816 is a wasteful number, since it uses less digits than its factorization.

40713816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896 (or 11892 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40713816 is about 6380.7378883637. The cubic root of 40713816 is about 344.0175536382.

It can be divided in two parts, 4071 and 3816, that added together give a palindrome (7887).

The spelling of 40713816 in words is "forty million, seven hundred thirteen thousand, eight hundred sixteen".