44044400420 has 12 divisors (see below), whose sum is σ = 92493240924. Its totient is φ = 17617760160.

The previous prime is 44044400401. The next prime is 44044400431. The reversal of 44044400420 is 2400444044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4732614436 + 39311785984 = 68794^2 + 198272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44044400420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101109991 + ... + 1101110030.

It is an arithmetic number, because the mean of its divisors is an integer number (7707770077).

Almost surely, 2^44044400420 is an apocalyptic number.

It is an amenable number.

44044400420 is an abundant number, since it is smaller than the sum of its proper divisors (48448840504).

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

44044400420 is a wasteful number, since it uses less digits than its factorization.

44044400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202220030 (or 2202220028 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 44044400420 its reverse (2400444044), we get a palindrome (46444844464).

The spelling of 44044400420 in words is "forty-four billion, forty-four million, four hundred thousand, four hundred twenty".