490868780 has 12 divisors (see below), whose sum is σ = 1030824480. Its totient is φ = 196347504.

The previous prime is 490868773. The next prime is 490868797. The reversal of 490868780 is 87868094.

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, 12271700 + ... + 12271739.

It is an arithmetic number, because the mean of its divisors is an integer number (85902040).

Almost surely, 2^490868780 is an apocalyptic number.

It is an amenable number.

490868780 is an abundant number, since it is smaller than the sum of its proper divisors (539955700).

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

490868780 is a wasteful number, since it uses less digits than its factorization.

490868780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24543448 (or 24543446 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 490868780 is about 22155.5586704556. The cubic root of 490868780 is about 788.8391753224.

The spelling of 490868780 in words is "four hundred ninety million, eight hundred sixty-eight thousand, seven hundred eighty".