40166744 has 16 divisors (see below), whose sum is σ = 75490800. Its totient is φ = 20035872.

The previous prime is 40166743. The next prime is 40166761. The reversal of 40166744 is 44766104.

It is a super-2 number, since 2×40166744² = 3226734647123072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166743) 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, 2207 + ... + 9230.

It is an arithmetic number, because the mean of its divisors is an integer number (4718175).

Almost surely, 2^40166744 is an apocalyptic number.

It is an amenable number.

40166744 is a deficient number, since it is larger than the sum of its proper divisors (35324056).

40166744 is a wasteful number, since it uses less digits than its factorization.

40166744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882 (or 11878 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40166744 is about 6337.7238816471. The cubic root of 40166744 is about 342.4697442505.

The spelling of 40166744 in words is "forty million, one hundred sixty-six thousand, seven hundred forty-four".