18495264 has 96 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 5806080.

The previous prime is 18495263. The next prime is 18495277. The reversal of 18495264 is 46259481.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (18495263) 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, 145569 + ... + 145695.

It is an arithmetic number, because the mean of its divisors is an integer number (536256).

Almost surely, 2^18495264 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 18495264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740288).

18495264 is an abundant number, since it is smaller than the sum of its proper divisors (32985312).

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

18495264 is a wasteful number, since it uses less digits than its factorization.

18495264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 210 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 18495264 is about 4300.6120494646. The cubic root of 18495264 is about 264.4560528660.

The spelling of 18495264 in words is "eighteen million, four hundred ninety-five thousand, two hundred sixty-four".