18060880 has 40 divisors (see below), whose sum is σ = 42691464. Its totient is φ = 7104000.

The previous prime is 18060877. The next prime is 18060893. The reversal of 18060880 is 8806081.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 18045504 = 124^2 + 4248^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 6730.

Almost surely, 2^18060880 is an apocalyptic number.

18060880 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 18060880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21345732).

18060880 is an abundant number, since it is smaller than the sum of its proper divisors (24630584).

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

18060880 is a wasteful number, since it uses less digits than its factorization.

18060880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 18060880 is about 4249.8094074911. The cubic root of 18060880 is about 262.3692712628.

The spelling of 18060880 in words is "eighteen million, sixty thousand, eight hundred eighty".