244620640626 has 16 divisors (see below), whose sum is σ = 489352298400. Its totient is φ = 81521710688.

The previous prime is 244620640613. The next prime is 244620640631. The reversal of 244620640626 is 626046026442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597056 + ... + 4649963.

It is an arithmetic number, because the mean of its divisors is an integer number (30584518650).

Almost surely, 2^244620640626 is an apocalyptic number.

244620640626 is an abundant number, since it is smaller than the sum of its proper divisors (244731657774).

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

244620640626 is a wasteful number, since it uses less digits than its factorization.

244620640626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251433.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 244620640626 in words is "two hundred forty-four billion, six hundred twenty million, six hundred forty thousand, six hundred twenty-six".