5445397344 has 48 divisors (see below), whose sum is σ = 14301862848. Its totient is φ = 1814155392.

The previous prime is 5445397339. The next prime is 5445397387. The reversal of 5445397344 is 4437935445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 5445397293 and 5445397302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176479 + ... + 205025.

It is an arithmetic number, because the mean of its divisors is an integer number (297955476).

Almost surely, 2^5445397344 is an apocalyptic number.

It is an amenable number.

5445397344 is an abundant number, since it is smaller than the sum of its proper divisors (8856465504).

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

5445397344 is a wasteful number, since it uses less digits than its factorization.

5445397344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30547 (or 30539 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The square root of 5445397344 is about 73792.9355968442. The cubic root of 5445397344 is about 1759.3133237211.

The spelling of 5445397344 in words is "five billion, four hundred forty-five million, three hundred ninety-seven thousand, three hundred forty-four".