521034242076 has 72 divisors (see below), whose sum is σ = 1359774800384. Its totient is φ = 168047097120.

The previous prime is 521034241997. The next prime is 521034242089. The reversal of 521034242076 is 670242430125.

521034242076 is a `hidden beast` number, since 5 + 21 + 0 + 3 + 424 + 207 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 521034242076.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7136211 + ... + 7208853.

Almost surely, 2^521034242076 is an apocalyptic number.

It is an amenable number.

521034242076 is an abundant number, since it is smaller than the sum of its proper divisors (838740558308).

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

521034242076 is a wasteful number, since it uses less digits than its factorization.

521034242076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79111 (or 79106 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 521034242076 in words is "five hundred twenty-one billion, thirty-four million, two hundred forty-two thousand, seventy-six".