444312400 has 90 divisors (see below), whose sum is σ = 1241794590. Its totient is φ = 152328960.

The previous prime is 444312377. The next prime is 444312437. The reversal of 444312400 is 4213444.

It can be written as a sum of positive squares in 3 ways, for example, as 124188736 + 320123664 = 11144^2 + 17892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8266 + ... + 30934.

Almost surely, 2^444312400 is an apocalyptic number.

444312400 is a gapful number since it is divisible by the number (40) 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 444312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620897295).

444312400 is an abundant number, since it is smaller than the sum of its proper divisors (797482190).

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

444312400 is a wasteful number, since it uses less digits than its factorization.

444312400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701 (or 22683 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 444312400 is about 21078.7191261708. The cubic root of 444312400 is about 763.0672443049.

Adding to 444312400 its reverse (4213444), we get a palindrome (448525844).

The spelling of 444312400 in words is "four hundred forty-four million, three hundred twelve thousand, four hundred".