506340442 has 8 divisors (see below), whose sum is σ = 764608500. Its totient is φ = 251470944.

The previous prime is 506340431. The next prime is 506340473. The reversal of 506340442 is 244043605.

It can be written as a sum of positive squares in 2 ways, for example, as 491908041 + 14432401 = 22179^2 + 3799^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 506340442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849267 + ... + 849862.

Almost surely, 2^506340442 is an apocalyptic number.

506340442 is a deficient number, since it is larger than the sum of its proper divisors (258268058).

506340442 is a wasteful number, since it uses less digits than its factorization.

506340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699280.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 506340442 is about 22502.0097324661. The cubic root of 506340442 is about 797.0413852788.

The spelling of 506340442 in words is "five hundred six million, three hundred forty thousand, four hundred forty-two".