40972402 has 16 divisors (see below), whose sum is σ = 62582400. Its totient is φ = 20114640.

The previous prime is 40972279. The next prime is 40972403. The reversal of 40972402 is 20427904.

It is not an unprimeable number, because it can be changed into a prime (40972403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32724 + ... + 33952.

It is an arithmetic number, because the mean of its divisors is an integer number (3911400).

Almost surely, 2^40972402 is an apocalyptic number.

40972402 is a deficient number, since it is larger than the sum of its proper divisors (21609998).

40972402 is a wasteful number, since it uses less digits than its factorization.

40972402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40972402 is about 6400.9688329190. The cubic root of 40972402 is about 344.7443376483.

The spelling of 40972402 in words is "forty million, nine hundred seventy-two thousand, four hundred two".