505506405250 has 384 divisors, whose sum is σ = 1236067672320. Its totient is φ = 153014400000.

The previous prime is 505506405233. The next prime is 505506405269. The reversal of 505506405250 is 52504605505.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 731557405 + ... + 731558095.

It is an arithmetic number, because the mean of its divisors is an integer number (3218926230).

Almost surely, 2^505506405250 is an apocalyptic number.

505506405250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505506405250 is an abundant number, since it is smaller than the sum of its proper divisors (730561267070).

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

505506405250 is a wasteful number, since it uses less digits than its factorization.

505506405250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 505506405250 in words is "five hundred five billion, five hundred six million, four hundred five thousand, two hundred fifty".