40179844 has 12 divisors (see below), whose sum is σ = 72583168. Its totient is φ = 19441800.

The previous prime is 40179791. The next prime is 40179859. The reversal of 40179844 is 44897104.

It is a super-2 number, since 2×40179844² = 3228839727728672, 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, 161892 + ... + 162139.

Almost surely, 2^40179844 is an apocalyptic number.

It is an amenable number.

40179844 is a deficient number, since it is larger than the sum of its proper divisors (32403324).

40179844 is a wasteful number, since it uses less digits than its factorization.

40179844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324066 (or 324064 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40179844 is about 6338.7572914571. The cubic root of 40179844 is about 342.5069712826.

It can be divided in two parts, 4017 and 9844, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 40179844 in words is "forty million, one hundred seventy-nine thousand, eight hundred forty-four".