18800424402 has 16 divisors (see below), whose sum is σ = 37687692000. Its totient is φ = 6252334272.

The previous prime is 18800424277. The next prime is 18800424427. The reversal of 18800424402 is 20442400881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615652 + ... + 3620847.

It is an arithmetic number, because the mean of its divisors is an integer number (2355480750).

Almost surely, 2^18800424402 is an apocalyptic number.

18800424402 is an abundant number, since it is smaller than the sum of its proper divisors (18887267598).

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

18800424402 is a wasteful number, since it uses less digits than its factorization.

18800424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236937.

The product of its (nonzero) digits is 16384, while the sum is 33.

The spelling of 18800424402 in words is "eighteen billion, eight hundred million, four hundred twenty-four thousand, four hundred two".