531382085328 has 80 divisors (see below), whose sum is σ = 1377796259840. Its totient is φ = 176475708288.

The previous prime is 531382085303. The next prime is 531382085329. The reversal of 531382085328 is 823580283135.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531382085329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15302001 + ... + 15336687.

It is an arithmetic number, because the mean of its divisors is an integer number (17222453248).

Almost surely, 2^531382085328 is an apocalyptic number.

It is an amenable number.

531382085328 is an abundant number, since it is smaller than the sum of its proper divisors (846414174512).

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

531382085328 is a wasteful number, since it uses less digits than its factorization.

531382085328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35864 (or 35858 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 531382085328 in words is "five hundred thirty-one billion, three hundred eighty-two million, eighty-five thousand, three hundred twenty-eight".