520452383254026 has 32 divisors (see below), whose sum is σ = 1060168273053120. Its totient is φ = 170282549176704.

The previous prime is 520452383253919. The next prime is 520452383254109. The reversal of 520452383254026 is 620452383254025.

It is a self number, because there is not a number n which added to its sum of digits gives 520452383254026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125499675 + ... + 1125961998.

It is an arithmetic number, because the mean of its divisors is an integer number (33130258532910).

Almost surely, 2^{520452383254026} is an apocalyptic number.

520452383254026 is an abundant number, since it is smaller than the sum of its proper divisors (539715889799094).

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

520452383254026 is a wasteful number, since it uses less digits than its factorization.

520452383254026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251462390.

The product of its (nonzero) digits is 13824000, while the sum is 51.

Subtracting 520452383254026 from its reverse (620452383254025), we obtain a palindrome (99999999999999).

The spelling of 520452383254026 in words is "five hundred twenty trillion, four hundred fifty-two billion, three hundred eighty-three million, two hundred fifty-four thousand, twenty-six".