40404516 has 36 divisors (see below), whose sum is σ = 96680976. Its totient is φ = 13133120.

The previous prime is 40404499. The next prime is 40404517. The reversal of 40404516 is 61540404.

It is not an unprimeable number, because it can be changed into a prime (40404517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19171 + ... + 21173.

Almost surely, 2^40404516 is an apocalyptic number.

It is an amenable number.

40404516 is an abundant number, since it is smaller than the sum of its proper divisors (56276460).

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

40404516 is a wasteful number, since it uses less digits than its factorization.

40404516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40404516 is about 6356.4546722210. The cubic root of 40404516 is about 343.1441791729.

The spelling of 40404516 in words is "forty million, four hundred four thousand, five hundred sixteen".