520875384446 has 16 divisors (see below), whose sum is σ = 785795281920. Its totient is φ = 258946994040.

The previous prime is 520875384439. The next prime is 520875384487. The reversal of 520875384446 is 644483578025.

It is a super-2 number, since 2×520875384446² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520875384391 and 520875384400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532850 + ... + 1151381.

It is an arithmetic number, because the mean of its divisors is an integer number (49112205120).

Almost surely, 2^520875384446 is an apocalyptic number.

520875384446 is a deficient number, since it is larger than the sum of its proper divisors (264919897474).

520875384446 is a wasteful number, since it uses less digits than its factorization.

520875384446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685119.

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 520875384446 in words is "five hundred twenty billion, eight hundred seventy-five million, three hundred eighty-four thousand, four hundred forty-six".