44155455144 has 32 divisors (see below), whose sum is σ = 110394576000. Its totient is φ = 14717693312.

The previous prime is 44155455139. The next prime is 44155455167.

44155455144 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44155455096 and 44155455105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 558337 + ... + 632495.

It is an arithmetic number, because the mean of its divisors is an integer number (3449830500).

Almost surely, 2^44155455144 is an apocalyptic number.

It is an amenable number.

44155455144 is an abundant number, since it is smaller than the sum of its proper divisors (66239120856).

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

44155455144 is a wasteful number, since it uses less digits than its factorization.

44155455144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98977 (or 98973 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

The spelling of 44155455144 in words is "forty-four billion, one hundred fifty-five million, four hundred fifty-five thousand, one hundred forty-four".