490744727258 has 16 divisors (see below), whose sum is σ = 740959577640. Its totient is φ = 243758850816.

The previous prime is 490744727203. The next prime is 490744727261. The reversal of 490744727258 is 852727447094.

It can be written as a sum of positive squares in 4 ways, for example, as 486223106209 + 4521621049 = 697297^2 + 67243^2 .

It is a junction number, because it is equal to n+sod(n) for n = 490744727197 and 490744727206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375310 + ... + 1694982.

Almost surely, 2^490744727258 is an apocalyptic number.

490744727258 is a deficient number, since it is larger than the sum of its proper divisors (250214850382).

490744727258 is a wasteful number, since it uses less digits than its factorization.

490744727258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324721.

The product of its (nonzero) digits is 31610880, while the sum is 59.

The spelling of 490744727258 in words is "four hundred ninety billion, seven hundred forty-four million, seven hundred twenty-seven thousand, two hundred fifty-eight".