490490077 has 24 divisors (see below), whose sum is σ = 623665728. Its totient is φ = 377541120.

The previous prime is 490490071. The next prime is 490490089. The reversal of 490490077 is 770094094.

It is a de Polignac number, because none of the positive numbers 2^k-490490077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490490071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66813 + ... + 73789.

It is an arithmetic number, because the mean of its divisors is an integer number (25986072).

Almost surely, 2^490490077 is an apocalyptic number.

It is an amenable number.

490490077 is a deficient number, since it is larger than the sum of its proper divisors (133175651).

490490077 is a wasteful number, since it uses less digits than its factorization.

490490077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 490490077 is about 22147.0105657626. The cubic root of 490490077 is about 788.6362612024.

The spelling of 490490077 in words is "four hundred ninety million, four hundred ninety thousand, seventy-seven".