44144421055 has 32 divisors (see below), whose sum is σ = 60866150400. Its totient is φ = 30108298752.

The previous prime is 44144421053. The next prime is 44144421091. The reversal of 44144421055 is 55012444144.

It is not a de Polignac number, because 44144421055 - 2¹ = 44144421053 is a prime.

It is a super-2 number, since 2×44144421055² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44144421055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44144421053) 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, 5076151 + ... + 5084839.

It is an arithmetic number, because the mean of its divisors is an integer number (1902067200).

Almost surely, 2^44144421055 is an apocalyptic number.

44144421055 is a deficient number, since it is larger than the sum of its proper divisors (16721729345).

44144421055 is a wasteful number, since it uses less digits than its factorization.

44144421055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 44144421055 its reverse (55012444144), we get a palindrome (99156865199).

The spelling of 44144421055 in words is "forty-four billion, one hundred forty-four million, four hundred twenty-one thousand, fifty-five".