18750232761900 has 144 divisors (see below), whose sum is σ = 54625208762880. Its totient is φ = 4965561216000.

The previous prime is 18750232761881. The next prime is 18750232761907. The reversal of 18750232761900 is 916723205781.

It is a super-2 number, since 2×18750232761900² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18750232761907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167418121 + ... + 167530079.

It is an arithmetic number, because the mean of its divisors is an integer number (379341727520).

Almost surely, 2^{18750232761900} is an apocalyptic number.

18750232761900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18750232761900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27312604381440).

18750232761900 is an abundant number, since it is smaller than the sum of its proper divisors (35874976000980).

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

18750232761900 is a wasteful number, since it uses less digits than its factorization.

18750232761900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115824 (or 115817 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 18750232761900 in words is "eighteen trillion, seven hundred fifty billion, two hundred thirty-two million, seven hundred sixty-one thousand, nine hundred".