490771228 has 6 divisors (see below), whose sum is σ = 858849656. Its totient is φ = 245385612.

The previous prime is 490771157. The next prime is 490771243. The reversal of 490771228 is 822177094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61346400 + ... + 61346407.

Almost surely, 2^490771228 is an apocalyptic number.

It is an amenable number.

490771228 is a deficient number, since it is larger than the sum of its proper divisors (368078428).

490771228 is a wasteful number, since it uses less digits than its factorization.

490771228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122692811 (or 122692809 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 490771228 is about 22153.3570368014. The cubic root of 490771228 is about 788.7869156415.

It can be divided in two parts, 49077 and 1228, that added together give a palindrome (50305).

The spelling of 490771228 in words is "four hundred ninety million, seven hundred seventy-one thousand, two hundred twenty-eight".