2645500265772 has 48 divisors (see below), whose sum is σ = 7597334099712. Its totient is φ = 697714355520.

The previous prime is 2645500265753. The next prime is 2645500265777. The reversal of 2645500265772 is 2775620055462.

It is not an unprimeable number, because it can be changed into a prime (2645500265777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211308554 + ... + 1211310737.

It is an arithmetic number, because the mean of its divisors is an integer number (158277793744).

Almost surely, 2^{2645500265772} is an apocalyptic number.

It is an amenable number.

2645500265772 is an abundant number, since it is smaller than the sum of its proper divisors (4951833833940).

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

2645500265772 is a wasteful number, since it uses less digits than its factorization.

2645500265772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422619318 (or 2422619316 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 2645500265772 in words is "two trillion, six hundred forty-five billion, five hundred million, two hundred sixty-five thousand, seven hundred seventy-two".