44171945477401 has 6 divisors (see below), whose sum is σ = 51383691677850. Its totient is φ = 37861667552016.

The previous prime is 44171945477311. The next prime is 44171945477417. The reversal of 44171945477401 is 10477454917144.

It can be written as a sum of positive squares in only one way, i.e., 41995273101376 + 2176672376025 = 6480376^2 + 1475355^2 .

It is not a de Polignac number, because 44171945477401 - 2¹¹ = 44171945475353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44171945477701) 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 5 ways as a sum of consecutive naturals, for example, 450734137476 + ... + 450734137573.

It is an arithmetic number, because the mean of its divisors is an integer number (8563948612975).

Almost surely, 2^{44171945477401} is an apocalyptic number.

It is an amenable number.

44171945477401 is a deficient number, since it is larger than the sum of its proper divisors (7211746200449).

44171945477401 is an equidigital number, since it uses as much as digits as its factorization.

44171945477401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901468275063 (or 901468275056 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 44171945477401 in words is "forty-four trillion, one hundred seventy-one billion, nine hundred forty-five million, four hundred seventy-seven thousand, four hundred one".