490293220 has 12 divisors (see below), whose sum is σ = 1029615804. Its totient is φ = 196117280.

The previous prime is 490293217. The next prime is 490293229. The reversal of 490293220 is 22392094.

It can be written as a sum of positive squares in 2 ways, for example, as 149964516 + 340328704 = 12246^2 + 18448^2 .

It is not an unprimeable number, because it can be changed into a prime (490293229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12257311 + ... + 12257350.

It is an arithmetic number, because the mean of its divisors is an integer number (85801317).

Almost surely, 2^490293220 is an apocalyptic number.

It is an amenable number.

490293220 is an abundant number, since it is smaller than the sum of its proper divisors (539322584).

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

490293220 is a wasteful number, since it uses less digits than its factorization.

490293220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24514670 (or 24514668 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 490293220 is about 22142.5657953183. The cubic root of 490293220 is about 788.5307413357.

The spelling of 490293220 in words is "four hundred ninety million, two hundred ninety-three thousand, two hundred twenty".