244020400 has 120 divisors (see below), whose sum is σ = 637396704. Its totient is φ = 89241600.

The previous prime is 244020383. The next prime is 244020419. The reversal of 244020400 is 4020442.

244020400 is digitally balanced in base 2, 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 (16).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868260 + ... + 868540.

Almost surely, 2^244020400 is an apocalyptic number.

244020400 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 244020400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318698352).

244020400 is an abundant number, since it is smaller than the sum of its proper divisors (393376304).

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

244020400 is a wasteful number, since it uses less digits than its factorization.

244020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 244020400 is about 15621.1523262530. The cubic root of 244020400 is about 624.8973911552.

Adding to 244020400 its reverse (4020442), we get a palindrome (248040842).

The spelling of 244020400 in words is "two hundred forty-four million, twenty thousand, four hundred".