44272620 has 144 divisors (see below), whose sum is σ = 157405248. Its totient is φ = 9861120.

The previous prime is 44272577. The next prime is 44272621. The reversal of 44272620 is 2627244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44272621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51232 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (1093092).

Almost surely, 2^44272620 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 44272620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78702624).

44272620 is an abundant number, since it is smaller than the sum of its proper divisors (113132628).

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

44272620 is a wasteful number, since it uses less digits than its factorization.

44272620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 44272620 is about 6653.7673539131. The cubic root of 44272620 is about 353.7624567444.

Adding to 44272620 its reverse (2627244), we get a palindrome (46899864).

The spelling of 44272620 in words is "forty-four million, two hundred seventy-two thousand, six hundred twenty".