490805012 has 12 divisors (see below), whose sum is σ = 863270100. Its totient is φ = 244156416.

The previous prime is 490804999. The next prime is 490805047. The reversal of 490805012 is 210508094.

It can be written as a sum of positive squares in 2 ways, for example, as 396248836 + 94556176 = 19906^2 + 9724^2 .

It is a congruent number.

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, 310637 + ... + 312212.

It is an arithmetic number, because the mean of its divisors is an integer number (71939175).

Almost surely, 2^490805012 is an apocalyptic number.

It is an amenable number.

490805012 is a deficient number, since it is larger than the sum of its proper divisors (372465088).

490805012 is a wasteful number, since it uses less digits than its factorization.

490805012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623050 (or 623048 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 490805012 is about 22154.1195266253. The cubic root of 490805012 is about 788.8050148862.

The spelling of 490805012 in words is "four hundred ninety million, eight hundred five thousand, twelve".