5210202442 has 4 divisors (see below), whose sum is σ = 7815303666. Its totient is φ = 2605101220.

The previous prime is 5210202433. The next prime is 5210202493. The reversal of 5210202442 is 2442020125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4355868001 + 854334441 = 65999^2 + 29229^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302550609 + ... + 1302550612.

Almost surely, 2^5210202442 is an apocalyptic number.

5210202442 is a deficient number, since it is larger than the sum of its proper divisors (2605101224).

5210202442 is a wasteful number, since it uses less digits than its factorization.

5210202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605101223.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 5210202442 is about 72181.7320518149. The cubic root of 5210202442 is about 1733.6105158879.

Adding to 5210202442 its reverse (2442020125), we get a palindrome (7652222567).

The spelling of 5210202442 in words is "five billion, two hundred ten million, two hundred two thousand, four hundred forty-two".