44231322040 has 128 divisors (see below), whose sum is σ = 104836861440. Its totient is φ = 16773120000.

The previous prime is 44231321993. The next prime is 44231322049. The reversal of 44231322040 is 4022313244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44231321996 and 44231322014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44231322049) 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, 21253800 + ... + 21255880.

It is an arithmetic number, because the mean of its divisors is an integer number (819037980).

Almost surely, 2^44231322040 is an apocalyptic number.

44231322040 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 44231322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52418430720).

44231322040 is an abundant number, since it is smaller than the sum of its proper divisors (60605539400).

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

44231322040 is a wasteful number, since it uses less digits than its factorization.

44231322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2461 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 44231322040 its reverse (4022313244), we get a palindrome (48253635284).

The spelling of 44231322040 in words is "forty-four billion, two hundred thirty-one million, three hundred twenty-two thousand, forty".