521463250242 has 48 divisors (see below), whose sum is σ = 1232676506880. Its totient is φ = 158002884000.

The previous prime is 521463250241. The next prime is 521463250247. The reversal of 521463250242 is 242052364125.

521463250242 is a `hidden beast` number, since 5 + 2 + 14 + 632 + 5 + 0 + 2 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 521463250197 and 521463250206.

It is not an unprimeable number, because it can be changed into a prime (521463250241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1864992 + ... + 2126292.

It is an arithmetic number, because the mean of its divisors is an integer number (25680760560).

Almost surely, 2^521463250242 is an apocalyptic number.

521463250242 is an abundant number, since it is smaller than the sum of its proper divisors (711213256638).

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

521463250242 is a wasteful number, since it uses less digits than its factorization.

521463250242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271399 (or 271396 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 521463250242 in words is "five hundred twenty-one billion, four hundred sixty-three million, two hundred fifty thousand, two hundred forty-two".