2545360660 has 24 divisors (see below), whose sum is σ = 5352721920. Its totient is φ = 1016722464.

The previous prime is 2545360651. The next prime is 2545360667. The reversal of 2545360660 is 660635452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545360667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74124 + ... + 102883.

It is an arithmetic number, because the mean of its divisors is an integer number (223030080).

Almost surely, 2^2545360660 is an apocalyptic number.

2545360660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545360660 is an abundant number, since it is smaller than the sum of its proper divisors (2807361260).

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

2545360660 is a wasteful number, since it uses less digits than its factorization.

2545360660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177735 (or 177733 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2545360660 is about 50451.5674682165. The cubic root of 2545360660 is about 1365.3681752267.

The spelling of 2545360660 in words is "two billion, five hundred forty-five million, three hundred sixty thousand, six hundred sixty".