1840291056 has 160 divisors (see below), whose sum is σ = 5603808000. Its totient is φ = 576605952.

The previous prime is 1840291031. The next prime is 1840291093. The reversal of 1840291056 is 6501920481.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1840291056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140106 + ... + 1141718.

It is an arithmetic number, because the mean of its divisors is an integer number (35023800).

Almost surely, 2^1840291056 is an apocalyptic number.

1840291056 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 1840291056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801904000).

1840291056 is an abundant number, since it is smaller than the sum of its proper divisors (3763516944).

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

1840291056 is a wasteful number, since it uses less digits than its factorization.

1840291056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1840291056 is about 42898.6136838943. The cubic root of 1840291056 is about 1225.4497431783.

The spelling of 1840291056 in words is "one billion, eight hundred forty million, two hundred ninety-one thousand, fifty-six".