44481312 has 90 divisors (see below), whose sum is σ = 131824539. Its totient is φ = 14713920.

The previous prime is 44481259. The next prime is 44481313. The reversal of 44481312 is 21318444.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 22240656 = 4716^2 + 4716^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4716.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (44481313) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 339487 + ... + 339617.

Almost surely, 2^44481312 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 44481312

44481312 is an abundant number, since it is smaller than the sum of its proper divisors (87343227).

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

44481312 is an equidigital number, since it uses as much as digits as its factorization.

44481312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 136 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 44481312 is about 6669.4311601515. The cubic root of 44481312 is about 354.3174400507.

Adding to 44481312 its reverse (21318444), we get a palindrome (65799756).

The spelling of 44481312 in words is "forty-four million, four hundred eighty-one thousand, three hundred twelve".