40166774 has 8 divisors (see below), whose sum is σ = 60562920. Its totient is φ = 19979136.

The previous prime is 40166761. The next prime is 40166803. The reversal of 40166774 is 47766104.

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 2×40166774² = 3226739467134152, which contains 22 as substring.

It is a congruent number.

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, 51644 + ... + 52415.

It is an arithmetic number, because the mean of its divisors is an integer number (7570365).

Almost surely, 2^40166774 is an apocalyptic number.

40166774 is a deficient number, since it is larger than the sum of its proper divisors (20396146).

40166774 is a wasteful number, since it uses less digits than its factorization.

40166774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104254.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 40166774 is about 6337.7262484270. The cubic root of 40166774 is about 342.4698295125.

The spelling of 40166774 in words is "forty million, one hundred sixty-six thousand, seven hundred seventy-four".