531245440200 has 48 divisors (see below), whose sum is σ = 1646860866480. Its totient is φ = 141665450560.

The previous prime is 531245440189. The next prime is 531245440237. The reversal of 531245440200 is 2044542135.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442703934 + ... + 442705133.

It is an arithmetic number, because the mean of its divisors is an integer number (34309601385).

Almost surely, 2^531245440200 is an apocalyptic number.

531245440200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531245440200 is an abundant number, since it is smaller than the sum of its proper divisors (1115615426280).

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

531245440200 is a wasteful number, since it uses less digits than its factorization.

531245440200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885409086 (or 885409077 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 531245440200 its reverse (2044542135), we get a palindrome (533289982335).

The spelling of 531245440200 in words is "five hundred thirty-one billion, two hundred forty-five million, four hundred forty thousand, two hundred".