531323240446 has 16 divisors (see below), whose sum is σ = 798236880768. Its totient is φ = 265244376600.

The previous prime is 531323240359. The next prime is 531323240491. The reversal of 531323240446 is 644042323135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14275441 + ... + 14312611.

It is an arithmetic number, because the mean of its divisors is an integer number (49889805048).

Almost surely, 2^531323240446 is an apocalyptic number.

531323240446 is a deficient number, since it is larger than the sum of its proper divisors (266913640322).

531323240446 is a wasteful number, since it uses less digits than its factorization.

531323240446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48207.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 531323240446 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred forty thousand, four hundred forty-six".