244428912 has 240 divisors, whose sum is σ = 879610368. Its totient is φ = 61585920.

The previous prime is 244428911. The next prime is 244428913. The reversal of 244428912 is 219824442.

It is an interprime number because it is at equal distance from previous prime (244428911) and next prime (244428913).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244428911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300987 + ... + 301797.

Almost surely, 2^244428912 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 244428912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439805184).

244428912 is an abundant number, since it is smaller than the sum of its proper divisors (635181456).

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

244428912 is a wasteful number, since it uses less digits than its factorization.

244428912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 859 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 244428912 is about 15634.2224622781. Note that the first 3 decimals coincide. The cubic root of 244428912 is about 625.2459081407.

The spelling of 244428912 in words is "two hundred forty-four million, four hundred twenty-eight thousand, nine hundred twelve".