1801332496 has 20 divisors (see below), whose sum is σ = 3492688284. Its totient is φ = 899993600.

The previous prime is 1801332493. The next prime is 1801332509. The reversal of 1801332496 is 6942331081.

It can be written as a sum of positive squares in 2 ways, for example, as 283450896 + 1517881600 = 16836^2 + 38960^2 .

It is a super-2 number, since 2×1801332496² = 6489597522291180032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1801332493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19585 + ... + 63136.

Almost surely, 2^1801332496 is an apocalyptic number.

1801332496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1801332496 is a deficient number, since it is larger than the sum of its proper divisors (1691355788).

1801332496 is a wasteful number, since it uses less digits than its factorization.

1801332496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84090 (or 84084 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1801332496 is about 42442.1075819757. The cubic root of 1801332496 is about 1216.7404921071.

The spelling of 1801332496 in words is "one billion, eight hundred one million, three hundred thirty-two thousand, four hundred ninety-six".