505266944 has 216 divisors, whose sum is σ = 1329270432. Its totient is φ = 186531840.

The previous prime is 505266929. The next prime is 505266953. The reversal of 505266944 is 449662505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12323564 + ... + 12323604.

Almost surely, 2^505266944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505266944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664635216).

505266944 is an abundant number, since it is smaller than the sum of its proper divisors (824003488).

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

505266944 is a wasteful number, since it uses less digits than its factorization.

505266944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 505266944 is about 22478.1436955991. The cubic root of 505266944 is about 796.4777146423.

The spelling of 505266944 in words is "five hundred five million, two hundred sixty-six thousand, nine hundred forty-four".