40179028 has 12 divisors (see below), whose sum is σ = 71948800. Its totient is φ = 19622232.

The previous prime is 40178993. The next prime is 40179037. The reversal of 40179028 is 82097104.

It is a super-2 number, since 2×40179028² = 3228708582049568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116628 + ... + 116971.

Almost surely, 2^40179028 is an apocalyptic number.

It is an amenable number.

40179028 is a deficient number, since it is larger than the sum of its proper divisors (31769772).

40179028 is a wasteful number, since it uses less digits than its factorization.

40179028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233646 (or 233644 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 40179028 is about 6338.6929252015. The cubic root of 40179028 is about 342.5046526443.

The spelling of 40179028 in words is "forty million, one hundred seventy-nine thousand, twenty-eight".