40290874 has 16 divisors (see below), whose sum is σ = 65231712. Its totient is φ = 18553968.

The previous prime is 40290847. The next prime is 40290883. The reversal of 40290874 is 47809204.

It is a happy number.

40290874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12117 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (4076982).

Almost surely, 2^40290874 is an apocalyptic number.

40290874 is a deficient number, since it is larger than the sum of its proper divisors (24940838).

40290874 is a wasteful number, since it uses less digits than its factorization.

40290874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40290874 is about 6347.5092752985. The cubic root of 40290874 is about 342.8221672490.

The spelling of 40290874 in words is "forty million, two hundred ninety thousand, eight hundred seventy-four".