509247960040 has 64 divisors (see below), whose sum is σ = 1148337061200. Its totient is φ = 203249958912.

The previous prime is 509247960037. The next prime is 509247960043. The reversal of 509247960040 is 40069742905.

It is an interprime number because it is at equal distance from previous prime (509247960037) and next prime (509247960043).

It can be written as a sum of positive squares in 8 ways, for example, as 22928622084 + 486319337956 = 151422^2 + 697366^2 .

It is not an unprimeable number, because it can be changed into a prime (509247960043) 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, 51805846 + ... + 51815674.

Almost surely, 2^509247960040 is an apocalyptic number.

It is an amenable number.

509247960040 is an abundant number, since it is smaller than the sum of its proper divisors (639089101160).

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

509247960040 is a wasteful number, since it uses less digits than its factorization.

509247960040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566 (or 12562 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 509247960040 in words is "five hundred nine billion, two hundred forty-seven million, nine hundred sixty thousand, forty".