40184004 has 48 divisors (see below), whose sum is σ = 107676800. Its totient is φ = 11425536.

The previous prime is 40184003. The next prime is 40184009. The reversal of 40184004 is 40048104.

It is a super-2 number, since 2×40184004² = 3229508354944032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (40184003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18192 + ... + 20280.

Almost surely, 2^40184004 is an apocalyptic number.

It is an amenable number.

40184004 is an abundant number, since it is smaller than the sum of its proper divisors (67492796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40184004 is a wasteful number, since it uses less digits than its factorization.

40184004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 40184004 is about 6339.0854229928. The cubic root of 40184004 is about 342.5187913039.

The spelling of 40184004 in words is "forty million, one hundred eighty-four thousand, four".