44672320 has 224 divisors, whose sum is σ = 138988800. Its totient is φ = 13547520.

The previous prime is 44672291. The next prime is 44672347. The reversal of 44672320 is 2327644.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1207342 + ... + 1207378.

Almost surely, 2^44672320 is an apocalyptic number.

44672320 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 44672320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69494400).

44672320 is an abundant number, since it is smaller than the sum of its proper divisors (94316480).

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

44672320 is a wasteful number, since it uses less digits than its factorization.

44672320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 44672320 is about 6683.7354824978. The cubic root of 44672320 is about 354.8238761346.

Adding to 44672320 its reverse (2327644), we get a palindrome (46999964).

The spelling of 44672320 in words is "forty-four million, six hundred seventy-two thousand, three hundred twenty".