509674543320 has 64 divisors (see below), whose sum is σ = 1529143308000. Its totient is φ = 135902573568.

The previous prime is 509674543289. The next prime is 509674543321. The reversal of 509674543320 is 23345476905.

It is a self number, because there is not a number n which added to its sum of digits gives 509674543320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509674543321) 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, 1437516 + ... + 1756644.

Almost surely, 2^509674543320 is an apocalyptic number.

It is an amenable number.

509674543320 is an abundant number, since it is smaller than the sum of its proper divisors (1019468764680).

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

509674543320 is a wasteful number, since it uses less digits than its factorization.

509674543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332452 (or 332448 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 509674543320 in words is "five hundred nine billion, six hundred seventy-four million, five hundred forty-three thousand, three hundred twenty".