40099524 has 12 divisors (see below), whose sum is σ = 93565584. Its totient is φ = 13366504.

The previous prime is 40099513. The next prime is 40099571. The reversal of 40099524 is 42599004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670802 + ... + 1670825.

It is an arithmetic number, because the mean of its divisors is an integer number (7797132).

Almost surely, 2^40099524 is an apocalyptic number.

It is an amenable number.

40099524 is an abundant number, since it is smaller than the sum of its proper divisors (53466060).

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

40099524 is a wasteful number, since it uses less digits than its factorization.

40099524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341634 (or 3341632 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 40099524 is about 6332.4184953302. The cubic root of 40099524 is about 342.2785938291.

The spelling of 40099524 in words is "forty million, ninety-nine thousand, five hundred twenty-four".