244031620 has 48 divisors (see below), whose sum is σ = 592760448. Its totient is φ = 82656000.

The previous prime is 244031609. The next prime is 244031639. The reversal of 244031620 is 26130442.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 244031591 and 244031600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 22120.

It is an arithmetic number, because the mean of its divisors is an integer number (12349176).

Almost surely, 2^244031620 is an apocalyptic number.

244031620 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 244031620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296380224).

244031620 is an abundant number, since it is smaller than the sum of its proper divisors (348728828).

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

244031620 is a wasteful number, since it uses less digits than its factorization.

244031620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100 (or 21098 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 244031620 is about 15621.5114505607. The cubic root of 244031620 is about 624.9069685529.

The spelling of 244031620 in words is "two hundred forty-four million, thirty-one thousand, six hundred twenty".