2530891144 has 32 divisors (see below), whose sum is σ = 4779192600. Its totient is φ = 1256463360.

The previous prime is 2530891123. The next prime is 2530891169. The reversal of 2530891144 is 4411980352.

It can be written as a sum of positive squares in 4 ways, for example, as 2436607044 + 94284100 = 49362^2 + 9710^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413802 + ... + 1415590.

Almost surely, 2^2530891144 is an apocalyptic number.

It is an amenable number.

2530891144 is a deficient number, since it is larger than the sum of its proper divisors (2248301456).

2530891144 is a wasteful number, since it uses less digits than its factorization.

2530891144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2530891144 is about 50307.9630277355. The cubic root of 2530891144 is about 1362.7760381604.

The spelling of 2530891144 in words is "two billion, five hundred thirty million, eight hundred ninety-one thousand, one hundred forty-four".