2580044690 has 8 divisors (see below), whose sum is σ = 4644080460. Its totient is φ = 1032017872.

The previous prime is 2580044681. The next prime is 2580044723. The reversal of 2580044690 is 964400852.

It can be written as a sum of positive squares in 2 ways, for example, as 2356811209 + 223233481 = 48547^2 + 14941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2580044690² = 13313261204794392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129002225 + ... + 129002244.

Almost surely, 2^2580044690 is an apocalyptic number.

2580044690 is a deficient number, since it is larger than the sum of its proper divisors (2064035770).

2580044690 is a wasteful number, since it uses less digits than its factorization.

2580044690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258004476.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2580044690 is about 50794.1403116541. The cubic root of 2580044690 is about 1371.5418891309.

The spelling of 2580044690 in words is "two billion, five hundred eighty million, forty-four thousand, six hundred ninety".