18056079270 has 144 divisors (see below), whose sum is σ = 51394082688. Its totient is φ = 4378429440.

The previous prime is 18056079269. The next prime is 18056079271. The reversal of 18056079270 is 7297065081.

18056079270 is a `hidden beast` number, since 1 + 80 + 560 + 7 + 9 + 2 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (18056079269) and next prime (18056079271).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056079271) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29264002 + ... + 29264618.

It is an arithmetic number, because the mean of its divisors is an integer number (356903352).

Almost surely, 2^18056079270 is an apocalyptic number.

18056079270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18056079270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25697041344).

18056079270 is an abundant number, since it is smaller than the sum of its proper divisors (33338003418).

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

18056079270 is a wasteful number, since it uses less digits than its factorization.

18056079270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 18056079270 in words is "eighteen billion, fifty-six million, seventy-nine thousand, two hundred seventy".