2560642612 has 48 divisors (see below), whose sum is σ = 5184889920. Its totient is φ = 1093593600.

The previous prime is 2560642589. The next prime is 2560642621. The reversal of 2560642612 is 2162460652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491839 + ... + 497017.

It is an arithmetic number, because the mean of its divisors is an integer number (108018540).

Almost surely, 2^2560642612 is an apocalyptic number.

2560642612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2560642612 is an abundant number, since it is smaller than the sum of its proper divisors (2624247308).

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

2560642612 is a wasteful number, since it uses less digits than its factorization.

2560642612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2560642612 is about 50602.7925316380. The cubic root of 2560642612 is about 1368.0952114175.

The spelling of 2560642612 in words is "two billion, five hundred sixty million, six hundred forty-two thousand, six hundred twelve".