18054929280 has 128 divisors (see below), whose sum is σ = 57604377600. Its totient is φ = 4810106880.

The previous prime is 18054929261. The next prime is 18054929281. The reversal of 18054929280 is 8292945081.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054929281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359701 + ... + 2367339.

It is an arithmetic number, because the mean of its divisors is an integer number (450034200).

Almost surely, 2^18054929280 is an apocalyptic number.

18054929280 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 18054929280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28802188800).

18054929280 is an abundant number, since it is smaller than the sum of its proper divisors (39549448320).

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

18054929280 is a wasteful number, since it uses less digits than its factorization.

18054929280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892 (or 8880 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 18054929280 in words is "eighteen billion, fifty-four million, nine hundred twenty-nine thousand, two hundred eighty".