2544445434644 has 12 divisors (see below), whose sum is σ = 4519238906784. Its totient is φ = 1253234318424.

The previous prime is 2544445434623. The next prime is 2544445434679. The reversal of 2544445434644 is 4464345444452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747099424 + ... + 4747099959.

It is an arithmetic number, because the mean of its divisors is an integer number (376603242232).

Almost surely, 2^{2544445434644} is an apocalyptic number.

It is an amenable number.

2544445434644 is a deficient number, since it is larger than the sum of its proper divisors (1974793472140).

2544445434644 is a wasteful number, since it uses less digits than its factorization.

2544445434644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494199454 (or 9494199452 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 53.

The spelling of 2544445434644 in words is "two trillion, five hundred forty-four billion, four hundred forty-five million, four hundred thirty-four thousand, six hundred forty-four".