52021400330 has 8 divisors (see below), whose sum is σ = 93638520612. Its totient is φ = 20808560128.

The previous prime is 52021400329. The next prime is 52021400351. The reversal of 52021400330 is 3300412025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48203519809 + 3817880521 = 219553^2 + 61789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601070007 + ... + 2601070026.

Almost surely, 2^52021400330 is an apocalyptic number.

52021400330 is a deficient number, since it is larger than the sum of its proper divisors (41617120282).

52021400330 is a wasteful number, since it uses less digits than its factorization.

52021400330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202140040.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 52021400330 its reverse (3300412025), we get a palindrome (55321812355).

The spelling of 52021400330 in words is "fifty-two billion, twenty-one million, four hundred thousand, three hundred thirty".