5451822144 has 84 divisors (see below), whose sum is σ = 15787925244. Its totient is φ = 1798520832.

The previous prime is 5451822097. The next prime is 5451822151. The reversal of 5451822144 is 4412281545.

It can be written as a sum of positive squares in 2 ways, for example, as 1452524544 + 3999297600 = 38112^2 + 63240^2 .

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 = 5451822099 and 5451822108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7084 + ... + 104660.

It is an arithmetic number, because the mean of its divisors is an integer number (187951491).

Almost surely, 2^5451822144 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 5451822144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7893962622).

5451822144 is an abundant number, since it is smaller than the sum of its proper divisors (10336103100).

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

5451822144 is a wasteful number, since it uses less digits than its factorization.

5451822144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97692 (or 97679 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 5451822144 is about 73836.4553862115. The cubic root of 5451822144 is about 1760.0049655507.

The spelling of 5451822144 in words is "five billion, four hundred fifty-one million, eight hundred twenty-two thousand, one hundred forty-four".