44121112040 has 16 divisors (see below), whose sum is σ = 99272502180. Its totient is φ = 17648444800.

The previous prime is 44121112001. The next prime is 44121112043. The reversal of 44121112040 is 4021112144.

It can be written as a sum of positive squares in 2 ways, for example, as 40168978084 + 3952133956 = 200422^2 + 62866^2 .

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 (44121112043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551513861 + ... + 551513940.

Almost surely, 2^44121112040 is an apocalyptic number.

44121112040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44121112040 is an abundant number, since it is smaller than the sum of its proper divisors (55151390140).

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

44121112040 is a wasteful number, since it uses less digits than its factorization.

44121112040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103027812 (or 1103027808 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 44121112040 its reverse (4021112144), we get a palindrome (48142224184).

The spelling of 44121112040 in words is "forty-four billion, one hundred twenty-one million, one hundred twelve thousand, forty".