490842340 has 12 divisors (see below), whose sum is σ = 1030768956. Its totient is φ = 196336928.

The previous prime is 490842323. The next prime is 490842397. The reversal of 490842340 is 43248094.

It can be written as a sum of positive squares in 2 ways, for example, as 392594596 + 98247744 = 19814^2 + 9912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 490842296 and 490842305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12271039 + ... + 12271078.

It is an arithmetic number, because the mean of its divisors is an integer number (85897413).

Almost surely, 2^490842340 is an apocalyptic number.

It is an amenable number.

490842340 is an abundant number, since it is smaller than the sum of its proper divisors (539926616).

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

490842340 is a wasteful number, since it uses less digits than its factorization.

490842340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24542126 (or 24542124 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 490842340 is about 22154.9619724341. The cubic root of 490842340 is about 788.8250118072.

The spelling of 490842340 in words is "four hundred ninety million, eight hundred forty-two thousand, three hundred forty".