44231616 has 224 divisors, whose sum is σ = 153619200. Its totient is φ = 12303360.

The previous prime is 44231611. The next prime is 44231617. The reversal of 44231616 is 61613244.

44231616 is a `hidden beast` number, since 4 + 42 + 3 + 1 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 44231616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44231611) 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, 247015 + ... + 247193.

It is an arithmetic number, because the mean of its divisors is an integer number (685800).

Almost surely, 2^44231616 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 44231616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76809600).

44231616 is an abundant number, since it is smaller than the sum of its proper divisors (109387584).

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

44231616 is a wasteful number, since it uses less digits than its factorization.

44231616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 208 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 44231616 is about 6650.6853782148. The cubic root of 44231616 is about 353.6532082117.

The spelling of 44231616 in words is "forty-four million, two hundred thirty-one thousand, six hundred sixteen".