18275032490 has 128 divisors (see below), whose sum is σ = 40437315072. Its totient is φ = 5851422720.

The previous prime is 18275032439. The next prime is 18275032507. The reversal of 18275032490 is 9423057281.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19503302 + ... + 19504238.

It is an arithmetic number, because the mean of its divisors is an integer number (315916524).

Almost surely, 2^18275032490 is an apocalyptic number.

18275032490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18275032490 is an abundant number, since it is smaller than the sum of its proper divisors (22162282582).

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

18275032490 is a wasteful number, since it uses less digits than its factorization.

18275032490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 18275032490 in words is "eighteen billion, two hundred seventy-five million, thirty-two thousand, four hundred ninety".