18480148530 has 64 divisors (see below), whose sum is σ = 45602597376. Its totient is φ = 4790016000.

The previous prime is 18480148459. The next prime is 18480148541. The reversal of 18480148530 is 3584108481.

It is a super-2 number, since 2×18480148530² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305610 + ... + 361050.

It is an arithmetic number, because the mean of its divisors is an integer number (712540584).

Almost surely, 2^18480148530 is an apocalyptic number.

18480148530 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 18480148530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22801298688).

18480148530 is an abundant number, since it is smaller than the sum of its proper divisors (27122448846).

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

18480148530 is a wasteful number, since it uses less digits than its factorization.

18480148530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55763.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 18480148530 in words is "eighteen billion, four hundred eighty million, one hundred forty-eight thousand, five hundred thirty".