44331420 has 96 divisors (see below), whose sum is σ = 144345600. Its totient is φ = 9955584.

The previous prime is 44331407. The next prime is 44331431. The reversal of 44331420 is 2413344.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23886 + ... + 25674.

It is an arithmetic number, because the mean of its divisors is an integer number (1503600).

Almost surely, 2^44331420 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 44331420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72172800).

44331420 is an abundant number, since it is smaller than the sum of its proper divisors (100014180).

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

44331420 is a wasteful number, since it uses less digits than its factorization.

44331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 44331420 is about 6658.1844372171. The cubic root of 44331420 is about 353.9190021841.

Adding to 44331420 its reverse (2413344), we get a palindrome (46744764).

The spelling of 44331420 in words is "forty-four million, three hundred thirty-one thousand, four hundred twenty".