44289623401 has 9 divisors (see below), whose sum is σ = 44532329751. Its totient is φ = 44048236104.

The previous prime is 44289623393. The next prime is 44289623407. The reversal of 44289623401 is 10432698244.

The square root of 44289623401 is 210451.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41249203801 + 3040419600 = 203099^2 + 55140^2 .

It is not a de Polignac number, because 44289623401 - 2³ = 44289623393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44289623407) 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 8 ways as a sum of consecutive naturals, for example, 48192820 + ... + 48193738.

It is an arithmetic number, because the mean of its divisors is an integer number (4948036639).

Almost surely, 2^44289623401 is an apocalyptic number.

44289623401 is the 210451-st square number.

44289623401 is the 105226-th centered octagonal number.

It is an amenable number.

44289623401 is a deficient number, since it is larger than the sum of its proper divisors (242706350).

44289623401 is an frugal number, since it uses more digits than its factorization.

44289623401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 44289623401 in words is "forty-four billion, two hundred eighty-nine million, six hundred twenty-three thousand, four hundred one".