2565162628 has 24 divisors (see below), whose sum is σ = 5187974400. Its totient is φ = 1087002048.

The previous prime is 2565162619. The next prime is 2565162631. The reversal of 2565162628 is 8262615652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512188 + ... + 517171.

It is an arithmetic number, because the mean of its divisors is an integer number (216165600).

Almost surely, 2^2565162628 is an apocalyptic number.

2565162628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2565162628 is an abundant number, since it is smaller than the sum of its proper divisors (2622811772).

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

2565162628 is a wasteful number, since it uses less digits than its factorization.

2565162628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029459 (or 1029457 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 2565162628 is about 50647.4345648425. The cubic root of 2565162628 is about 1368.8997200526.

The spelling of 2565162628 in words is "two billion, five hundred sixty-five million, one hundred sixty-two thousand, six hundred twenty-eight".