490240491 has 32 divisors (see below), whose sum is σ = 727341888. Its totient is φ = 291755520.

The previous prime is 490240481. The next prime is 490240493. The reversal of 490240491 is 194042094.

It is not a de Polignac number, because 490240491 - 2⁶ = 490240427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490240493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260245 + ... + 262121.

It is an arithmetic number, because the mean of its divisors is an integer number (22729434).

Almost surely, 2^490240491 is an apocalyptic number.

490240491 is a deficient number, since it is larger than the sum of its proper divisors (237101397).

490240491 is a wasteful number, since it uses less digits than its factorization.

490240491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 490240491 is about 22141.3750927986. The cubic root of 490240491 is about 788.5024725866.

The spelling of 490240491 in words is "four hundred ninety million, two hundred forty thousand, four hundred ninety-one".