1840461056 has 72 divisors (see below), whose sum is σ = 4261494720. Its totient is φ = 776945664.

The previous prime is 1840461043. The next prime is 1840461061. The reversal of 1840461056 is 6501640481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112400 + ... + 127728.

Almost surely, 2^1840461056 is an apocalyptic number.

1840461056 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 1840461056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130747360).

1840461056 is an abundant number, since it is smaller than the sum of its proper divisors (2421033664).

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

1840461056 is an equidigital number, since it uses as much as digits as its factorization.

1840461056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419 (or 15405 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1840461056 is about 42900.5950541481. The cubic root of 1840461056 is about 1225.4874763476.

The spelling of 1840461056 in words is "one billion, eight hundred forty million, four hundred sixty-one thousand, fifty-six".