18481149270 has 32 divisors (see below), whose sum is σ = 49283065440. Its totient is φ = 4928306400.

The previous prime is 18481149263. The next prime is 18481149287. The reversal of 18481149270 is 7294118481.

18481149270 is a `hidden beast` number, since 1 + 8 + 481 + 14 + 92 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34224081 + ... + 34224620.

It is an arithmetic number, because the mean of its divisors is an integer number (1540095795).

Almost surely, 2^18481149270 is an apocalyptic number.

18481149270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18481149270 is an abundant number, since it is smaller than the sum of its proper divisors (30801916170).

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

18481149270 is a wasteful number, since it uses less digits than its factorization.

18481149270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448717 (or 68448711 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 18481149270 in words is "eighteen billion, four hundred eighty-one million, one hundred forty-nine thousand, two hundred seventy".