244856139544 has 16 divisors (see below), whose sum is σ = 459111618000. Its totient is φ = 122426374752.

The previous prime is 244856139469. The next prime is 244856139551. The reversal of 244856139544 is 445931658442.

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, 573157 + ... + 904555.

It is an arithmetic number, because the mean of its divisors is an integer number (28694476125).

Almost surely, 2^244856139544 is an apocalyptic number.

It is an amenable number.

244856139544 is a deficient number, since it is larger than the sum of its proper divisors (214255478456).

244856139544 is a wasteful number, since it uses less digits than its factorization.

244856139544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423762 (or 423758 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 55.

It can be divided in two parts, 244856 and 139544, that added together give a square (384400 = 620²).

The spelling of 244856139544 in words is "two hundred forty-four billion, eight hundred fifty-six million, one hundred thirty-nine thousand, five hundred forty-four".