5457744442944 has 140 divisors (see below), whose sum is σ = 16184014215600. Its totient is φ = 1818624068352.

The previous prime is 5457744442939. The next prime is 5457744442949. The reversal of 5457744442944 is 4492444477545.

5457744442944 is a `hidden beast` number, since 5 + 45 + 77 + 44 + 442 + 9 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (5457744442939) and next prime (5457744442949).

It is a super-2 number, since 2×5457744442944² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5457744442949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15056667 + ... + 15414885.

It is an arithmetic number, because the mean of its divisors is an integer number (115600101540).

Almost surely, 2^{5457744442944} is an apocalyptic number.

5457744442944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5457744442944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8092007107800).

5457744442944 is an abundant number, since it is smaller than the sum of its proper divisors (10726269772656).

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

5457744442944 is a wasteful number, since it uses less digits than its factorization.

5457744442944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361182 (or 361163 counting only the distinct ones).

The product of its digits is 361267200, while the sum is 63.

The spelling of 5457744442944 in words is "five trillion, four hundred fifty-seven billion, seven hundred forty-four million, four hundred forty-two thousand, nine hundred forty-four".