244530407642 has 36 divisors (see below), whose sum is σ = 407318997246. Its totient is φ = 110069815680.

The previous prime is 244530407617. The next prime is 244530407647. The reversal of 244530407642 is 246704035442.

It can be written as a sum of positive squares in 3 ways, for example, as 239619061081 + 4911346561 = 489509^2 + 70081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 244530407642.

It is not an unprimeable number, because it can be changed into a prime (244530407647) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94109 + ... + 705632.

Almost surely, 2^244530407642 is an apocalyptic number.

244530407642 is a deficient number, since it is larger than the sum of its proper divisors (162788589604).

244530407642 is a wasteful number, since it uses less digits than its factorization.

244530407642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799823 (or 799783 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 244530407642 in words is "two hundred forty-four billion, five hundred thirty million, four hundred seven thousand, six hundred forty-two".