531200940388 has 12 divisors (see below), whose sum is σ = 940046608620. Its totient is φ = 262616195072.

The previous prime is 531200940383. The next prime is 531200940419. The reversal of 531200940388 is 883049002135.

It can be written as a sum of positive squares in 2 ways, for example, as 214871185764 + 316329754624 = 463542^2 + 562432^2 .

It is not an unprimeable number, because it can be changed into a prime (531200940383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746068381 + ... + 746069092.

It is an arithmetic number, because the mean of its divisors is an integer number (78337217385).

Almost surely, 2^531200940388 is an apocalyptic number.

It is an amenable number.

531200940388 is a deficient number, since it is larger than the sum of its proper divisors (408845668232).

531200940388 is a wasteful number, since it uses less digits than its factorization.

531200940388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492137566 (or 1492137564 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 531200940388 in words is "five hundred thirty-one billion, two hundred million, nine hundred forty thousand, three hundred eighty-eight".