40184798 has 4 divisors (see below), whose sum is σ = 60277200. Its totient is φ = 20092398.

The previous prime is 40184789. The next prime is 40184819. The reversal of 40184798 is 89748104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40184798² = 3229635980601608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046198 + ... + 10046201.

It is an arithmetic number, because the mean of its divisors is an integer number (15069300).

Almost surely, 2^40184798 is an apocalyptic number.

40184798 is a deficient number, since it is larger than the sum of its proper divisors (20092402).

40184798 is a wasteful number, since it uses less digits than its factorization.

40184798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092401.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 40184798 is about 6339.1480500143. The cubic root of 40184798 is about 342.5210472441.

The spelling of 40184798 in words is "forty million, one hundred eighty-four thousand, seven hundred ninety-eight".