5415221144 has 8 divisors (see below), whose sum is σ = 10153539660. Its totient is φ = 2707610568.

The previous prime is 5415221111. The next prime is 5415221183. The reversal of 5415221144 is 4411225145.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338451314 + ... + 338451329.

Almost surely, 2^5415221144 is an apocalyptic number.

It is an amenable number.

5415221144 is a deficient number, since it is larger than the sum of its proper divisors (4738318516).

5415221144 is a wasteful number, since it uses less digits than its factorization.

5415221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676902649 (or 676902645 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 5415221144 is about 73588.1861714229. The cubic root of 5415221144 is about 1756.0575000673.

Adding to 5415221144 its reverse (4411225145), we get a palindrome (9826446289).

The spelling of 5415221144 in words is "five billion, four hundred fifteen million, two hundred twenty-one thousand, one hundred forty-four".