505406240466 has 32 divisors (see below), whose sum is σ = 1019576315328. Its totient is φ = 167013316800.

The previous prime is 505406240407. The next prime is 505406240473. The reversal of 505406240466 is 664042604505.

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, 262585 + ... + 1039116.

It is an arithmetic number, because the mean of its divisors is an integer number (31861759854).

Almost surely, 2^505406240466 is an apocalyptic number.

505406240466 is an abundant number, since it is smaller than the sum of its proper divisors (514170074862).

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

505406240466 is a wasteful number, since it uses less digits than its factorization.

505406240466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302266.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 505406240466 in words is "five hundred five billion, four hundred six million, two hundred forty thousand, four hundred sixty-six".