531250034035240 has 32 divisors (see below), whose sum is σ = 1287259697855880. Its totient is φ = 196153858720512.

The previous prime is 531250034035211. The next prime is 531250034035243. The reversal of 531250034035240 is 42530430052135.

It can be written as a sum of positive squares in 4 ways, for example, as 183304358532036 + 347945675503204 = 13538994^2 + 18653302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 531250034035240.

It is not an unprimeable number, because it can be changed into a prime (531250034035243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510817339899 + ... + 510817340938.

Almost surely, 2^{531250034035240} is an apocalyptic number.

It is an amenable number.

531250034035240 is an abundant number, since it is smaller than the sum of its proper divisors (756009663820640).

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

531250034035240 is a wasteful number, since it uses less digits than its factorization.

531250034035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021634680861 (or 1021634680857 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 531250034035240 its reverse (42530430052135), we get a palindrome (573780464087375).

The spelling of 531250034035240 in words is "five hundred thirty-one trillion, two hundred fifty billion, thirty-four million, thirty-five thousand, two hundred forty".