509357412 has 36 divisors (see below), whose sum is σ = 1290365440. Its totient is φ = 169413552.

The previous prime is 509357411. The next prime is 509357423. The reversal of 509357412 is 214753905.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (509357411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389 + ... + 31947.

Almost surely, 2^509357412 is an apocalyptic number.

It is an amenable number.

509357412 is an abundant number, since it is smaller than the sum of its proper divisors (781008028).

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

509357412 is a wasteful number, since it uses less digits than its factorization.

509357412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31032 (or 31027 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 509357412 is about 22568.9479595306. The cubic root of 509357412 is about 798.6212773532.

The spelling of 509357412 in words is "five hundred nine million, three hundred fifty-seven thousand, four hundred twelve".