5210221044 has 48 divisors (see below), whose sum is σ = 13902508928. Its totient is φ = 1487714688.

The previous prime is 5210221039. The next prime is 5210221069. The reversal of 5210221044 is 4401220125.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 5210221044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123894 + ... + 160530.

Almost surely, 2^5210221044 is an apocalyptic number.

It is an amenable number.

5210221044 is an abundant number, since it is smaller than the sum of its proper divisors (8692287884).

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

5210221044 is a wasteful number, since it uses less digits than its factorization.

5210221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38344 (or 38342 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 5210221044 is about 72181.8609070174. The cubic root of 5210221044 is about 1733.6125790569.

Adding to 5210221044 its reverse (4401220125), we get a palindrome (9611441169).

The spelling of 5210221044 in words is "five billion, two hundred ten million, two hundred twenty-one thousand, forty-four".