505402133346 has 24 divisors (see below), whose sum is σ = 1194586861104. Its totient is φ = 153152161560.

The previous prime is 505402133323. The next prime is 505402133381. The reversal of 505402133346 is 643331204505.

505402133346 is a `hidden beast` number, since 50 + 54 + 0 + 213 + 3 + 346 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 505402133346.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276267816 + ... + 1276268211.

It is an arithmetic number, because the mean of its divisors is an integer number (49774452546).

Almost surely, 2^505402133346 is an apocalyptic number.

505402133346 is an abundant number, since it is smaller than the sum of its proper divisors (689184727758).

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

505402133346 is a wasteful number, since it uses less digits than its factorization.

505402133346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552536046 (or 2552536043 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 505402133346 in words is "five hundred five billion, four hundred two million, one hundred thirty-three thousand, three hundred forty-six".