18150480 has 100 divisors (see below), whose sum is σ = 63061812. Its totient is φ = 4838400.

The previous prime is 18150449. The next prime is 18150493. The reversal of 18150480 is 8405181.

18150480 is a `hidden beast` number, since 1 + 81 + 504 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 10265616 = 2808^2 + 3204^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5080 + ... + 7880.

Almost surely, 2^18150480 is an apocalyptic number.

18150480 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 18150480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31530906).

18150480 is an abundant number, since it is smaller than the sum of its proper divisors (44911332).

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

18150480 is a wasteful number, since it uses less digits than its factorization.

18150480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 18150480 is about 4260.3380147589. The cubic root of 18150480 is about 262.8024269495.

The spelling of 18150480 in words is "eighteen million, one hundred fifty thousand, four hundred eighty".