244813532820 has 96 divisors (see below), whose sum is σ = 722026704000. Its totient is φ = 61807256064.

The previous prime is 244813532819. The next prime is 244813532827. The reversal of 244813532820 is 28235318442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244813532827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1696542 + ... + 1835178.

It is an arithmetic number, because the mean of its divisors is an integer number (7521111500).

Almost surely, 2^244813532820 is an apocalyptic number.

244813532820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244813532820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361013352000).

244813532820 is an abundant number, since it is smaller than the sum of its proper divisors (477213171180).

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

244813532820 is a wasteful number, since it uses less digits than its factorization.

244813532820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140217 (or 140215 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 244813532820 in words is "two hundred forty-four billion, eight hundred thirteen million, five hundred thirty-two thousand, eight hundred twenty".