18483140256 has 288 divisors, whose sum is σ = 58825751040. Its totient is φ = 5060450304.

The previous prime is 18483140243. The next prime is 18483140281. The reversal of 18483140256 is 65204138481.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21416881 + ... + 21417743.

It is an arithmetic number, because the mean of its divisors is an integer number (204256080).

Almost surely, 2^18483140256 is an apocalyptic number.

18483140256 is a gapful number since it is divisible by the number (16) 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 18483140256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29412875520).

18483140256 is an abundant number, since it is smaller than the sum of its proper divisors (40342610784).

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

18483140256 is a wasteful number, since it uses less digits than its factorization.

18483140256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 18483140256 in words is "eighteen billion, four hundred eighty-three million, one hundred forty thousand, two hundred fifty-six".