5451442244 has 24 divisors (see below), whose sum is σ = 9958189248. Its totient is φ = 2606325920.

The previous prime is 5451442237. The next prime is 5451442273. The reversal of 5451442244 is 4422441545.

It is a happy 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, 321179 + ... + 337725.

It is an arithmetic number, because the mean of its divisors is an integer number (414924552).

Almost surely, 2^5451442244 is an apocalyptic number.

It is an amenable number.

5451442244 is a deficient number, since it is larger than the sum of its proper divisors (4506747004).

5451442244 is a wasteful number, since it uses less digits than its factorization.

5451442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155 (or 20153 counting only the distinct ones).

The product of its digits is 102400, while the sum is 35.

The square root of 5451442244 is about 73833.8827639452. The cubic root of 5451442244 is about 1759.9640837195.

Adding to 5451442244 its reverse (4422441545), we get a palindrome (9873883789).

The spelling of 5451442244 in words is "five billion, four hundred fifty-one million, four hundred forty-two thousand, two hundred forty-four".