244426620 has 96 divisors (see below), whose sum is σ = 705196800. Its totient is φ = 63221760.

The previous prime is 244426607. The next prime is 244426631. The reversal of 244426620 is 26624442.

244426620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544156 + ... + 544604.

It is an arithmetic number, because the mean of its divisors is an integer number (7345800).

Almost surely, 2^244426620 is an apocalyptic number.

244426620 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 244426620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352598400).

244426620 is an abundant number, since it is smaller than the sum of its proper divisors (460770180).

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

244426620 is a wasteful number, since it uses less digits than its factorization.

244426620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 244426620 is about 15634.1491613711. The cubic root of 244426620 is about 625.2439538327.

The spelling of 244426620 in words is "two hundred forty-four million, four hundred twenty-six thousand, six hundred twenty".