490464845 has 16 divisors (see below), whose sum is σ = 641475072. Its totient is φ = 357821760.

The previous prime is 490464823. The next prime is 490464869. The reversal of 490464845 is 548464094.

It is not a de Polignac number, because 490464845 - 2¹² = 490460749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490464796 and 490464805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40061 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (40092192).

Almost surely, 2^490464845 is an apocalyptic number.

It is an amenable number.

490464845 is a deficient number, since it is larger than the sum of its proper divisors (151010227).

490464845 is a wasteful number, since it uses less digits than its factorization.

490464845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91012.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 490464845 is about 22146.4409104488. The cubic root of 490464845 is about 788.6227378494.

The spelling of 490464845 in words is "four hundred ninety million, four hundred sixty-four thousand, eight hundred forty-five".