10181844544 has 42 divisors (see below), whose sum is σ = 21463054610. Its totient is φ = 4791447552.

The previous prime is 10181844499. The next prime is 10181844551. The reversal of 10181844544 is 44544818101.

It can be written as a sum of positive squares in 3 ways, for example, as 3756218944 + 6425625600 = 61288^2 + 80160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10181844497 and 10181844506.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256749 + ... + 293740.

Almost surely, 2^10181844544 is an apocalyptic number.

It is an amenable number.

10181844544 is an abundant number, since it is smaller than the sum of its proper divisors (11281210066).

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

10181844544 is an equidigital number, since it uses as much as digits as its factorization.

10181844544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550535 (or 550508 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 10181844544 in words is "ten billion, one hundred eighty-one million, eight hundred forty-four thousand, five hundred forty-four".