44431600065 has 8 divisors (see below), whose sum is σ = 71090560128. Its totient is φ = 23696853360.

The previous prime is 44431600063. The next prime is 44431600069. The reversal of 44431600065 is 56000613444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44431600065 - 2¹ = 44431600063 is a prime.

It is a super-2 number, since 2×44431600065² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44431599999 and 44431600035.

It is not an unprimeable number, because it can be changed into a prime (44431600063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481053321 + ... + 1481053350.

It is an arithmetic number, because the mean of its divisors is an integer number (8886320016).

Almost surely, 2^44431600065 is an apocalyptic number.

It is an amenable number.

44431600065 is a deficient number, since it is larger than the sum of its proper divisors (26658960063).

44431600065 is a wasteful number, since it uses less digits than its factorization.

44431600065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962106679.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 44431600065 in words is "forty-four billion, four hundred thirty-one million, six hundred thousand, sixty-five".