18048729270 has 128 divisors (see below), whose sum is σ = 52073860608. Its totient is φ = 3944908800.

The previous prime is 18048729221. The next prime is 18048729277. The reversal of 18048729270 is 7292784081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048729277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135550 + ... + 233390.

It is an arithmetic number, because the mean of its divisors is an integer number (406827036).

Almost surely, 2^18048729270 is an apocalyptic number.

18048729270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18048729270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26036930304).

18048729270 is an abundant number, since it is smaller than the sum of its proper divisors (34025131338).

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

18048729270 is a wasteful number, since it uses less digits than its factorization.

18048729270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97918.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 18048729270 in words is "eighteen billion, forty-eight million, seven hundred twenty-nine thousand, two hundred seventy".