5220621044 has 12 divisors (see below), whose sum is σ = 9136881600. Its totient is φ = 2610083448.

The previous prime is 5220620989. The next prime is 5220621047. The reversal of 5220621044 is 4401260225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220621047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637 + ... + 102195.

It is an arithmetic number, because the mean of its divisors is an integer number (761406800).

Almost surely, 2^5220621044 is an apocalyptic number.

It is an amenable number.

5220621044 is a deficient number, since it is larger than the sum of its proper divisors (3916260556).

5220621044 is a wasteful number, since it uses less digits than its factorization.

5220621044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113542 (or 113540 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5220621044 is about 72253.8652530091. The cubic root of 5220621044 is about 1734.7652868992.

Adding to 5220621044 its reverse (4401260225), we get a palindrome (9621881269).

The spelling of 5220621044 in words is "five billion, two hundred twenty million, six hundred twenty-one thousand, forty-four".