1805772480 has 112 divisors (see below), whose sum is σ = 5786262240. Its totient is φ = 477093888.

The previous prime is 1805772473. The next prime is 1805772511. The reversal of 1805772480 is 842775081.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96012 + ... + 113268.

Almost surely, 2^1805772480 is an apocalyptic number.

1805772480 is a gapful number since it is divisible by the number (10) 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 1805772480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2893131120).

1805772480 is an abundant number, since it is smaller than the sum of its proper divisors (3980489760).

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

1805772480 is a wasteful number, since it uses less digits than its factorization.

1805772480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17386 (or 17376 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 1805772480 is about 42494.3817462968. The cubic root of 1805772480 is about 1217.7393592977.

The spelling of 1805772480 in words is "one billion, eight hundred five million, seven hundred seventy-two thousand, four hundred eighty".