44311320 has 128 divisors (see below), whose sum is σ = 149688000. Its totient is φ = 11658240.

The previous prime is 44311273. The next prime is 44311327. The reversal of 44311320 is 2311344.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44311293 and 44311302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44311327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95890 + ... + 96350.

Almost surely, 2^44311320 is an apocalyptic number.

44311320 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 44311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74844000).

44311320 is an abundant number, since it is smaller than the sum of its proper divisors (105376680).

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

44311320 is a wasteful number, since it uses less digits than its factorization.

44311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 44311320 is about 6656.6748455967. The cubic root of 44311320 is about 353.8655047825.

Adding to 44311320 its reverse (2311344), we get a palindrome (46622664).

It can be divided in two parts, 44 and 311320, that added together give a square (311364 = 558²).

The spelling of 44311320 in words is "forty-four million, three hundred eleven thousand, three hundred twenty".