40137516 has 18 divisors (see below), whose sum is σ = 101458812. Its totient is φ = 13379160.

The previous prime is 40137509. The next prime is 40137541. The reversal of 40137516 is 61573104.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×40137516² = 3222040381300512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40137516.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557430 + ... + 557501.

Almost surely, 2^40137516 is an apocalyptic number.

It is an amenable number.

40137516 is an abundant number, since it is smaller than the sum of its proper divisors (61321296).

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

40137516 is a wasteful number, since it uses less digits than its factorization.

40137516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114941 (or 1114936 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 40137516 is about 6335.4175868683. The cubic root of 40137516 is about 342.3866561567.

The spelling of 40137516 in words is "forty million, one hundred thirty-seven thousand, five hundred sixteen".