2745344844 has 54 divisors (see below), whose sum is σ = 7573372716. Its totient is φ = 831606720.

The previous prime is 2745344839. The next prime is 2745344873. The reversal of 2745344844 is 4484435472.

2745344844 is a `hidden beast` number, since 2 + 74 + 534 + 4 + 8 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2745344844.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1041352 + ... + 1043984.

Almost surely, 2^2745344844 is an apocalyptic number.

It is an amenable number.

2745344844 is an abundant number, since it is smaller than the sum of its proper divisors (4828027872).

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

2745344844 is a wasteful number, since it uses less digits than its factorization.

2745344844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 2649 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 45.

The square root of 2745344844 is about 52396.0384380346. The cubic root of 2745344844 is about 1400.2286776115.

It can be divided in two parts, 274534 and 4844, that added together give a triangular number (279378 = T₇₄₇).

The spelling of 2745344844 in words is "two billion, seven hundred forty-five million, three hundred forty-four thousand, eight hundred forty-four".