505406314320 has 40 divisors (see below), whose sum is σ = 1566759575136. Its totient is φ = 134775017088.

The previous prime is 505406314319. The next prime is 505406314321. The reversal of 505406314320 is 23413604505.

It is an interprime number because it is at equal distance from previous prime (505406314319) and next prime (505406314321).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505406314321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052929582 + ... + 1052930061.

Almost surely, 2^505406314320 is an apocalyptic number.

It is an amenable number.

505406314320 is an abundant number, since it is smaller than the sum of its proper divisors (1061353260816).

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

505406314320 is a wasteful number, since it uses less digits than its factorization.

505406314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105859659 (or 2105859653 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 505406314320 its reverse (23413604505), we get a palindrome (528819918825).

The spelling of 505406314320 in words is "five hundred five billion, four hundred six million, three hundred fourteen thousand, three hundred twenty".