40500690 has 16 divisors (see below), whose sum is σ = 97201728. Its totient is φ = 10800176.

The previous prime is 40500689. The next prime is 40500703. The reversal of 40500690 is 9600504.

It is a super-2 number, since 2×40500690² = 3280611780952200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40500690.

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, 674982 + ... + 675041.

It is an arithmetic number, because the mean of its divisors is an integer number (6075108).

Almost surely, 2^40500690 is an apocalyptic number.

40500690 is an abundant number, since it is smaller than the sum of its proper divisors (56701038).

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

40500690 is a wasteful number, since it uses less digits than its factorization.

40500690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350033.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40500690 is about 6364.0152419679. The cubic root of 40500690 is about 343.4162230088.

The spelling of 40500690 in words is "forty million, five hundred thousand, six hundred ninety".