520672542426 has 32 divisors (see below), whose sum is σ = 1158607451520. Its totient is φ = 173323910592.

The previous prime is 520672542419. The next prime is 520672542443. The reversal of 520672542426 is 624245276025.

It is a happy number.

520672542426 is a `hidden beast` number, since 5 + 2 + 0 + 67 + 2 + 542 + 42 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6448495 + ... + 6528738.

It is an arithmetic number, because the mean of its divisors is an integer number (36206482860).

Almost surely, 2^520672542426 is an apocalyptic number.

520672542426 is an abundant number, since it is smaller than the sum of its proper divisors (637934909094).

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

520672542426 is a wasteful number, since it uses less digits than its factorization.

520672542426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977987 (or 12977981 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 520672542426 in words is "five hundred twenty billion, six hundred seventy-two million, five hundred forty-two thousand, four hundred twenty-six".