1000505504646 has 24 divisors (see below), whose sum is σ = 2198293787664. Its totient is φ = 328804625520.

The previous prime is 1000505504623. The next prime is 1000505504653. The reversal of 1000505504646 is 6464055050001.

1000505504646 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 5 + 0 + 5 + 5 + 0 + 4 + 646 = 666.

It is a super-2 number, since 2×1000505504646² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000505504646.

It is a congruent number.

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, 391432801 + ... + 391435356.

It is an arithmetic number, because the mean of its divisors is an integer number (91595574486).

Almost surely, 2^{1000505504646} is an apocalyptic number.

1000505504646 is an abundant number, since it is smaller than the sum of its proper divisors (1197788283018).

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

1000505504646 is a wasteful number, since it uses less digits than its factorization.

1000505504646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782868236 (or 782868233 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1000505504646 in words is "one trillion, five hundred five million, five hundred four thousand, six hundred forty-six".