5621307244 has 72 divisors (see below), whose sum is σ = 12754370160. Its totient is φ = 2148056064.

The previous prime is 5621307239. The next prime is 5621307247. The reversal of 5621307244 is 4427031265.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (5621307247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18912 + ... + 107704.

It is an arithmetic number, because the mean of its divisors is an integer number (177144030).

Almost surely, 2^5621307244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621307244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6377185080).

5621307244 is an abundant number, since it is smaller than the sum of its proper divisors (7133062916).

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

5621307244 is a wasteful number, since it uses less digits than its factorization.

5621307244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88847 (or 88838 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 5621307244 is about 74975.3775849112. The cubic root of 5621307244 is about 1778.0573895957.

The spelling of 5621307244 in words is "five billion, six hundred twenty-one million, three hundred seven thousand, two hundred forty-four".