40107816 has 48 divisors (see below), whose sum is σ = 124144800. Its totient is φ = 11459232.

The previous prime is 40107797. The next prime is 40107827. The reversal of 40107816 is 61870104.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40107816.

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, 39286 + ... + 40293.

It is an arithmetic number, because the mean of its divisors is an integer number (2586350).

Almost surely, 2^40107816 is an apocalyptic number.

It is an amenable number.

40107816 is an abundant number, since it is smaller than the sum of its proper divisors (84036984).

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

40107816 is a wasteful number, since it uses less digits than its factorization.

40107816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79598 (or 79591 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 40107816 is about 6333.0731876396. The cubic root of 40107816 is about 342.3021849528.

The spelling of 40107816 in words is "forty million, one hundred seven thousand, eight hundred sixteen".