506366520 has 64 divisors (see below), whose sum is σ = 1657203840. Its totient is φ = 122755200.

The previous prime is 506366507. The next prime is 506366557. The reversal of 506366520 is 25663605.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 190486 + ... + 193125.

It is an arithmetic number, because the mean of its divisors is an integer number (25893810).

Almost surely, 2^506366520 is an apocalyptic number.

It is an amenable number.

506366520 is an abundant number, since it is smaller than the sum of its proper divisors (1150837320).

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

506366520 is a wasteful number, since it uses less digits than its factorization.

506366520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383636 (or 383632 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 506366520 is about 22502.5891843583. The cubic root of 506366520 is about 797.0550683576.

The spelling of 506366520 in words is "five hundred six million, three hundred sixty-six thousand, five hundred twenty".