2645260560 has 120 divisors (see below), whose sum is σ = 9351276480. Its totient is φ = 668272896.

The previous prime is 2645260559. The next prime is 2645260577. The reversal of 2645260560 is 650625462.

2645260560 is a `hidden beast` number, since 2 + 6 + 45 + 2 + 605 + 6 + 0 = 666.

2645260560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83004 + ... + 110363.

It is an arithmetic number, because the mean of its divisors is an integer number (77927304).

Almost surely, 2^2645260560 is an apocalyptic number.

2645260560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645260560 is an abundant number, since it is smaller than the sum of its proper divisors (6706015920).

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

2645260560 is a wasteful number, since it uses less digits than its factorization.

2645260560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193405 (or 193396 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2645260560 is about 51432.0965934697. The cubic root of 2645260560 is about 1383.0020343058.

The spelling of 2645260560 in words is "two billion, six hundred forty-five million, two hundred sixty thousand, five hundred sixty".