509413442 has 8 divisors (see below), whose sum is σ = 765518736. Its totient is φ = 254240532.

The previous prime is 509413441. The next prime is 509413451. The reversal of 509413442 is 244314905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 509413399 and 509413408.

It is not an unprimeable number, because it can be changed into a prime (509413441) 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, 231728 + ... + 233915.

It is an arithmetic number, because the mean of its divisors is an integer number (95689842).

Almost surely, 2^509413442 is an apocalyptic number.

509413442 is a deficient number, since it is larger than the sum of its proper divisors (256105294).

509413442 is a wasteful number, since it uses less digits than its factorization.

509413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466192.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 509413442 is about 22570.1892327025. The cubic root of 509413442 is about 798.6505594175.

The spelling of 509413442 in words is "five hundred nine million, four hundred thirteen thousand, four hundred forty-two".