490135442 has 8 divisors (see below), whose sum is σ = 736649100. Its totient is φ = 244585744.

The previous prime is 490135433. The next prime is 490135463. The reversal of 490135442 is 244531094.

It can be written as a sum of positive squares in 2 ways, for example, as 490135321 + 121 = 22139^2 + 11^2 .

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 = 490135399 and 490135408.

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, 239717 + ... + 241752.

Almost surely, 2^490135442 is an apocalyptic number.

490135442 is a deficient number, since it is larger than the sum of its proper divisors (246513658).

490135442 is a wasteful number, since it uses less digits than its factorization.

490135442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481980.

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

The square root of 490135442 is about 22139.0027327339. The cubic root of 490135442 is about 788.4461483166.

The spelling of 490135442 in words is "four hundred ninety million, one hundred thirty-five thousand, four hundred forty-two".