18375457400 has 48 divisors (see below), whose sum is σ = 42786733200. Its totient is φ = 7339207680.

The previous prime is 18375457361. The next prime is 18375457409. The reversal of 18375457400 is 475457381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18375457409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66341 + ... + 202859.

It is an arithmetic number, because the mean of its divisors is an integer number (891390275).

Almost surely, 2^18375457400 is an apocalyptic number.

18375457400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18375457400 is an abundant number, since it is smaller than the sum of its proper divisors (24411275800).

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

18375457400 is a wasteful number, since it uses less digits than its factorization.

18375457400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137208 (or 137199 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 18375457400 in words is "eighteen billion, three hundred seventy-five million, four hundred fifty-seven thousand, four hundred".