40166402 has 8 divisors (see below), whose sum is σ = 60284736. Its totient is φ = 20071492.

The previous prime is 40166389. The next prime is 40166411. The reversal of 40166402 is 20466104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40166402² = 3226679699251208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (7535592).

Almost surely, 2^40166402 is an apocalyptic number.

40166402 is a deficient number, since it is larger than the sum of its proper divisors (20118334).

40166402 is a wasteful number, since it uses less digits than its factorization.

40166402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40166402 is about 6337.6969002943. The cubic root of 40166402 is about 342.4687722608.

The spelling of 40166402 in words is "forty million, one hundred sixty-six thousand, four hundred two".