44244921345 has 32 divisors (see below), whose sum is σ = 72783290880. Its totient is φ = 22934856960.

The previous prime is 44244921341. The next prime is 44244921431. The reversal of 44244921345 is 54312944244.

It is not a de Polignac number, because 44244921345 - 2² = 44244921341 is a prime.

It is a super-2 number, since 2×44244921345² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44244921297 and 44244921306.

It is not an unprimeable number, because it can be changed into a prime (44244921341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479896 + ... + 564614.

It is an arithmetic number, because the mean of its divisors is an integer number (2274477840).

Almost surely, 2^44244921345 is an apocalyptic number.

It is an amenable number.

44244921345 is a deficient number, since it is larger than the sum of its proper divisors (28538369535).

44244921345 is a wasteful number, since it uses less digits than its factorization.

44244921345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85705.

The product of its digits is 552960, while the sum is 42.

The spelling of 44244921345 in words is "forty-four billion, two hundred forty-four million, nine hundred twenty-one thousand, three hundred forty-five".