45440422344 has 384 divisors, whose sum is σ = 138032294400. Its totient is φ = 13449784320.

The previous prime is 45440422309. The next prime is 45440422361. The reversal of 45440422344 is 44322404454.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45440422299 and 45440422308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200177959 + ... + 200178185.

It is an arithmetic number, because the mean of its divisors is an integer number (359459100).

Almost surely, 2^45440422344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45440422344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69016147200).

45440422344 is an abundant number, since it is smaller than the sum of its proper divisors (92591872056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45440422344 is a wasteful number, since it uses less digits than its factorization.

45440422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 36.

Adding to 45440422344 its reverse (44322404454), we get a palindrome (89762826798).

The spelling of 45440422344 in words is "forty-five billion, four hundred forty million, four hundred twenty-two thousand, three hundred forty-four".