1880320044 has 12 divisors (see below), whose sum is σ = 4387413464. Its totient is φ = 626773344.

The previous prime is 1880320021. The next prime is 1880320049. The reversal of 1880320044 is 4400230881.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1880319993 and 1880320020.

It is not an unprimeable number, because it can be changed into a prime (1880320049) 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, 78346657 + ... + 78346680.

Almost surely, 2^1880320044 is an apocalyptic number.

It is an amenable number.

1880320044 is an abundant number, since it is smaller than the sum of its proper divisors (2507093420).

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

1880320044 is a wasteful number, since it uses less digits than its factorization.

1880320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156693344 (or 156693342 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1880320044 is about 43362.6572525255. The cubic root of 1880320044 is about 1234.2711898077.

The spelling of 1880320044 in words is "one billion, eight hundred eighty million, three hundred twenty thousand, forty-four".