40500297 has 16 divisors (see below), whose sum is σ = 60122880. Its totient is φ = 26945136.

The previous prime is 40500289. The next prime is 40500301. The reversal of 40500297 is 79200504.

It is not a de Polignac number, because 40500297 - 2³ = 40500289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40500297.

It is not an unprimeable number, because it can be changed into a prime (40500247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15328 + ... + 17774.

It is an arithmetic number, because the mean of its divisors is an integer number (3757680).

Almost surely, 2^40500297 is an apocalyptic number.

It is an amenable number.

40500297 is a deficient number, since it is larger than the sum of its proper divisors (19622583).

40500297 is a wasteful number, since it uses less digits than its factorization.

40500297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3063 counting only the distinct ones).

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

The square root of 40500297 is about 6363.9843651599. The cubic root of 40500297 is about 343.4151122211.

The spelling of 40500297 in words is "forty million, five hundred thousand, two hundred ninety-seven".