18277590144 has 160 divisors (see below), whose sum is σ = 53420929200. Its totient is φ = 5536960000.

The previous prime is 18277590101. The next prime is 18277590157. The reversal of 18277590144 is 44109577281.

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

It is a junction number, because it is equal to n+sod(n) for n = 18277590093 and 18277590102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5620519 + ... + 5623769.

Almost surely, 2^18277590144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18277590144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26710464600).

18277590144 is an abundant number, since it is smaller than the sum of its proper divisors (35143339056).

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

18277590144 is an frugal number, since it uses more digits than its factorization.

18277590144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 18277590144 in words is "eighteen billion, two hundred seventy-seven million, five hundred ninety thousand, one hundred forty-four".