44031130400 has 36 divisors (see below), whose sum is σ = 107490999042. Its totient is φ = 17612451840.

The previous prime is 44031130397. The next prime is 44031130439. The reversal of 44031130400 is 403113044.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25701219856 + 18329910544 = 160316^2 + 135388^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27518657 + ... + 27520256.

Almost surely, 2^44031130400 is an apocalyptic number.

44031130400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44031130400 is an abundant number, since it is smaller than the sum of its proper divisors (63459868642).

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

44031130400 is a wasteful number, since it uses less digits than its factorization.

44031130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038933 (or 55038920 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 44031130400 its reverse (403113044), we get a palindrome (44434243444).

The spelling of 44031130400 in words is "forty-four billion, thirty-one million, one hundred thirty thousand, four hundred".