505031106450 has 96 divisors (see below), whose sum is σ = 1419812251200. Its totient is φ = 117772427520.

The previous prime is 505031106443. The next prime is 505031106511. The reversal of 505031106450 is 54601130505.

It is a super-2 number, since 2×505031106450² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6778485 + ... + 6852584.

It is an arithmetic number, because the mean of its divisors is an integer number (14789710950).

Almost surely, 2^505031106450 is an apocalyptic number.

505031106450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505031106450 is an abundant number, since it is smaller than the sum of its proper divisors (914781144750).

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

505031106450 is a wasteful number, since it uses less digits than its factorization.

505031106450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631116 (or 13631111 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 505031106450 its reverse (54601130505), we get a palindrome (559632236955).

The spelling of 505031106450 in words is "five hundred five billion, thirty-one million, one hundred six thousand, four hundred fifty".