2561414344 has 16 divisors (see below), whose sum is σ = 5085161100. Its totient is φ = 1205371392.

The previous prime is 2561414333. The next prime is 2561414399. The reversal of 2561414344 is 4434141652.

It can be written as a sum of positive squares in 2 ways, for example, as 2307649444 + 253764900 = 48038^2 + 15930^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 9416829 + ... + 9417100.

Almost surely, 2^2561414344 is an apocalyptic number.

It is an amenable number.

2561414344 is a deficient number, since it is larger than the sum of its proper divisors (2523746756).

2561414344 is a wasteful number, since it uses less digits than its factorization.

2561414344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18833952 (or 18833948 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 2561414344 is about 50610.4173466293. The cubic root of 2561414344 is about 1368.2326374423.

Adding to 2561414344 its reverse (4434141652), we get a palindrome (6995555996).

The spelling of 2561414344 in words is "two billion, five hundred sixty-one million, four hundred fourteen thousand, three hundred forty-four".