2561456024 has 16 divisors (see below), whose sum is σ = 4803342120. Its totient is φ = 1280564800.

The previous prime is 2561456021. The next prime is 2561456033. The reversal of 2561456024 is 4206541652.

2561456024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2561456024² = 13122113925771777152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561456021) 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, 69707 + ... + 99909.

Almost surely, 2^2561456024 is an apocalyptic number.

It is an amenable number.

2561456024 is a deficient number, since it is larger than the sum of its proper divisors (2241886096).

2561456024 is a wasteful number, since it uses less digits than its factorization.

2561456024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810 (or 40806 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2561456024 is about 50610.8291178874. The cubic root of 2561456024 is about 1368.2400588144.

Adding to 2561456024 its reverse (4206541652), we get a palindrome (6767997676).

The spelling of 2561456024 in words is "two billion, five hundred sixty-one million, four hundred fifty-six thousand, twenty-four".