44212320 has 72 divisors (see below), whose sum is σ = 150879456. Its totient is φ = 11789568.

The previous prime is 44212313. The next prime is 44212321. The reversal of 44212320 is 2321244.

It is a tau number, because it is divible by the number of its divisors (72).

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 = 44212293 and 44212302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44212321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13912 + ... + 16791.

It is an arithmetic number, because the mean of its divisors is an integer number (2095548).

Almost surely, 2^44212320 is an apocalyptic number.

44212320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44212320 is an abundant number, since it is smaller than the sum of its proper divisors (106667136).

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

44212320 is a wasteful number, since it uses less digits than its factorization.

44212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30724 (or 30713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44212320 is about 6649.2345424116. The cubic root of 44212320 is about 353.6017737741.

Adding to 44212320 its reverse (2321244), we get a palindrome (46533564).

The spelling of 44212320 in words is "forty-four million, two hundred twelve thousand, three hundred twenty".