44120023040 has 112 divisors (see below), whose sum is σ = 106158301272. Its totient is φ = 17601921024.

The previous prime is 44120023027. The next prime is 44120023049. The reversal of 44120023040 is 4032002144.

It can be written as a sum of positive squares in 4 ways, for example, as 36398534656 + 7721488384 = 190784^2 + 87872^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (44120023049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18717542 + ... + 18719898.

Almost surely, 2^44120023040 is an apocalyptic number.

44120023040 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 44120023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53079150636).

44120023040 is an abundant number, since it is smaller than the sum of its proper divisors (62038278232).

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

44120023040 is an equidigital number, since it uses as much as digits as its factorization.

44120023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 44120023040 its reverse (4032002144), we get a palindrome (48152025184).

The spelling of 44120023040 in words is "forty-four billion, one hundred twenty million, twenty-three thousand, forty".