2565056450 has 48 divisors (see below), whose sum is σ = 5345443584. Its totient is φ = 907531200.

The previous prime is 2565056419. The next prime is 2565056453. The reversal of 2565056450 is 546505652.

It is a happy number.

2565056450 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-3 number, since 3×2565056450³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2565056453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42674 + ... + 83373.

It is an arithmetic number, because the mean of its divisors is an integer number (111363408).

Almost surely, 2^2565056450 is an apocalyptic number.

2565056450 is an abundant number, since it is smaller than the sum of its proper divisors (2780387134).

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

2565056450 is a wasteful number, since it uses less digits than its factorization.

2565056450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126107 (or 126102 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 2565056450 is about 50646.3863469053. The cubic root of 2565056450 is about 1368.8808324860.

The spelling of 2565056450 in words is "two billion, five hundred sixty-five million, fifty-six thousand, four hundred fifty".