44551443545 has 32 divisors (see below), whose sum is σ = 61309612800. Its totient is φ = 30444503040.

The previous prime is 44551443529. The next prime is 44551443583. The reversal of 44551443545 is 54534415544.

It is a happy number.

It is not a de Polignac number, because 44551443545 - 2⁴ = 44551443529 is a prime.

It is a super-2 number, since 2×44551443545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44551443496 and 44551443505.

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 31 ways as a sum of consecutive naturals, for example, 21387074 + ... + 21389156.

It is an arithmetic number, because the mean of its divisors is an integer number (1915925400).

Almost surely, 2^44551443545 is an apocalyptic number.

It is an amenable number.

44551443545 is a deficient number, since it is larger than the sum of its proper divisors (16758169255).

44551443545 is a wasteful number, since it uses less digits than its factorization.

44551443545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its digits is 1920000, while the sum is 44.

The spelling of 44551443545 in words is "forty-four billion, five hundred fifty-one million, four hundred forty-three thousand, five hundred forty-five".