531400242150 has 48 divisors (see below), whose sum is σ = 1464302893200. Its totient is φ = 141706730880.

The previous prime is 531400242133. The next prime is 531400242151. The reversal of 531400242150 is 51242004135.

531400242150 is a `hidden beast` number, since 5 + 3 + 1 + 400 + 242 + 15 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531400242151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196813555 + ... + 196816254.

It is an arithmetic number, because the mean of its divisors is an integer number (30506310275).

Almost surely, 2^531400242150 is an apocalyptic number.

531400242150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531400242150 is an abundant number, since it is smaller than the sum of its proper divisors (932902651050).

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

531400242150 is a wasteful number, since it uses less digits than its factorization.

531400242150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393629830 (or 393629819 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 531400242150 its reverse (51242004135), we get a palindrome (582642246285).

The spelling of 531400242150 in words is "five hundred thirty-one billion, four hundred million, two hundred forty-two thousand, one hundred fifty".