40818516 has 24 divisors (see below), whose sum is σ = 96806304. Its totient is φ = 13382880.

The previous prime is 40818499. The next prime is 40818521. The reversal of 40818516 is 61581804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27150 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (4033596).

Almost surely, 2^40818516 is an apocalyptic number.

It is an amenable number.

40818516 is an abundant number, since it is smaller than the sum of its proper divisors (55987788).

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

40818516 is a wasteful number, since it uses less digits than its factorization.

40818516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55831 (or 55829 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 40818516 is about 6388.9370007850. The cubic root of 40818516 is about 344.3121940507.

The spelling of 40818516 in words is "forty million, eight hundred eighteen thousand, five hundred sixteen".