40744168 has 16 divisors (see below), whose sum is σ = 78860160. Its totient is φ = 19714800.

The previous prime is 40744163. The next prime is 40744181. The reversal of 40744168 is 86144704.

It is not an unprimeable number, because it can be changed into a prime (40744163) 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, 81898 + ... + 82393.

It is an arithmetic number, because the mean of its divisors is an integer number (4928760).

Almost surely, 2^40744168 is an apocalyptic number.

It is an amenable number.

40744168 is a deficient number, since it is larger than the sum of its proper divisors (38115992).

40744168 is a wasteful number, since it uses less digits than its factorization.

40744168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164328 (or 164324 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 40744168 is about 6383.1158535624. The cubic root of 40744168 is about 344.1030203435.

The spelling of 40744168 in words is "forty million, seven hundred forty-four thousand, one hundred sixty-eight".