40166502 has 8 divisors (see below), whose sum is σ = 80333016. Its totient is φ = 13388832.

The previous prime is 40166459. The next prime is 40166509. The reversal of 40166502 is 20566104.

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

40166502 is an admirable number.

It is a super-2 number, since 2×40166502² = 3226695765832008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347203 + ... + 3347214.

It is an arithmetic number, because the mean of its divisors is an integer number (10041627).

Almost surely, 2^40166502 is an apocalyptic number.

40166502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40166502 is a wasteful number, since it uses less digits than its factorization.

40166502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694422.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40166502 is about 6337.7047895906. The cubic root of 40166502 is about 342.4690564688.

The spelling of 40166502 in words is "forty million, one hundred sixty-six thousand, five hundred two".