18794073400 has 24 divisors (see below), whose sum is σ = 43696221120. Its totient is φ = 7517629280.

The previous prime is 18794073391. The next prime is 18794073401. The reversal of 18794073400 is 437049781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18794073401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46984984 + ... + 46985383.

It is an arithmetic number, because the mean of its divisors is an integer number (1820675880).

Almost surely, 2^18794073400 is an apocalyptic number.

18794073400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18794073400 is an abundant number, since it is smaller than the sum of its proper divisors (24902147720).

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

18794073400 is a wasteful number, since it uses less digits than its factorization.

18794073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93970383 (or 93970374 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 18794073400 in words is "eighteen billion, seven hundred ninety-four million, seventy-three thousand, four hundred".