522520455450 has 48 divisors (see below), whose sum is σ = 1480972265280. Its totient is φ = 119433246720.

The previous prime is 522520455449. The next prime is 522520455467. The reversal of 522520455450 is 54554025225.

It is a junction number, because it is equal to n+sod(n) for n = 522520455399 and 522520455408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248818215 + ... + 248820314.

It is an arithmetic number, because the mean of its divisors is an integer number (30853588860).

Almost surely, 2^522520455450 is an apocalyptic number.

522520455450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

522520455450 is an abundant number, since it is smaller than the sum of its proper divisors (958451809830).

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

522520455450 is a wasteful number, since it uses less digits than its factorization.

522520455450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497638551 (or 497638546 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 39.

The spelling of 522520455450 in words is "five hundred twenty-two billion, five hundred twenty million, four hundred fifty-five thousand, four hundred fifty".