1801880712 has 48 divisors (see below), whose sum is σ = 4887605580. Its totient is φ = 599702400.

The previous prime is 1801880701. The next prime is 1801880761. The reversal of 1801880712 is 2170881081.

It can be written as a sum of positive squares in 2 ways, for example, as 1428386436 + 373494276 = 37794^2 + 19326^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28662 + ... + 66522.

Almost surely, 2^1801880712 is an apocalyptic number.

1801880712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1801880712 is an abundant number, since it is smaller than the sum of its proper divisors (3085724868).

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

1801880712 is a wasteful number, since it uses less digits than its factorization.

1801880712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38534 (or 38527 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 36.

The square root of 1801880712 is about 42448.5654881293. The cubic root of 1801880712 is about 1216.8639135095.

The spelling of 1801880712 in words is "one billion, eight hundred one million, eight hundred eighty thousand, seven hundred twelve".