1808274515080 has 48 divisors (see below), whose sum is σ = 4472116942860. Its totient is φ = 657554367360.

The previous prime is 1808274515051. The next prime is 1808274515083. The reversal of 1808274515080 is 805154728081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1628232144484 + 180042370596 = 1276022^2 + 424314^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1808274515083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186800379 + ... + 186810058.

Almost surely, 2^{1808274515080} is an apocalyptic number.

1808274515080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1808274515080 is an abundant number, since it is smaller than the sum of its proper divisors (2663842427780).

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

1808274515080 is a wasteful number, since it uses less digits than its factorization.

1808274515080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373610470 (or 373610455 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 49.

The spelling of 1808274515080 in words is "one trillion, eight hundred eight billion, two hundred seventy-four million, five hundred fifteen thousand, eighty".