505223406654 has 32 divisors (see below), whose sum is σ = 1020970738944. Its totient is φ = 166656102720.

The previous prime is 505223406641. The next prime is 505223406673. The reversal of 505223406654 is 456604322505.

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, 600349 + ... + 1170839.

It is an arithmetic number, because the mean of its divisors is an integer number (31905335592).

Almost surely, 2^505223406654 is an apocalyptic number.

505223406654 is an abundant number, since it is smaller than the sum of its proper divisors (515747332290).

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

505223406654 is a wasteful number, since it uses less digits than its factorization.

505223406654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572032.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 505223406654 in words is "five hundred five billion, two hundred twenty-three million, four hundred six thousand, six hundred fifty-four".