18093747480 has 32 divisors (see below), whose sum is σ = 54281242800. Its totient is φ = 4824999296.

The previous prime is 18093747473. The next prime is 18093747487. The reversal of 18093747480 is 8474739081.

It is an interprime number because it is at equal distance from previous prime (18093747473) and next prime (18093747487).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18093747487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75390495 + ... + 75390734.

Almost surely, 2^18093747480 is an apocalyptic number.

18093747480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18093747480 is an abundant number, since it is smaller than the sum of its proper divisors (36187495320).

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

18093747480 is a wasteful number, since it uses less digits than its factorization.

18093747480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150781243 (or 150781239 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 18093747480 in words is "eighteen billion, ninety-three million, seven hundred forty-seven thousand, four hundred eighty".