44811809345 has 32 divisors (see below), whose sum is σ = 59114253600. Its totient is φ = 32459083776.

The previous prime is 44811809333. The next prime is 44811809423. The reversal of 44811809345 is 54390811844.

It is a happy number.

It is a Cunningham number, because it is equal to 211688²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 10268984896 + 34542824449 = 101336^2 + 185857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44811809345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44811809345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649991 + ... + 715619.

It is an arithmetic number, because the mean of its divisors is an integer number (1847320425).

Almost surely, 2^44811809345 is an apocalyptic number.

It is an amenable number.

44811809345 is a deficient number, since it is larger than the sum of its proper divisors (14302444255).

44811809345 is a wasteful number, since it uses less digits than its factorization.

44811809345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65957.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 44811809345 in words is "forty-four billion, eight hundred eleven million, eight hundred nine thousand, three hundred forty-five".