490131494 has 16 divisors (see below), whose sum is σ = 768398400. Its totient is φ = 234173184.

The previous prime is 490131493. The next prime is 490131527. The reversal of 490131494 is 494131094.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490131491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37934 + ... + 49185.

It is an arithmetic number, because the mean of its divisors is an integer number (48024900).

Almost surely, 2^490131494 is an apocalyptic number.

490131494 is a deficient number, since it is larger than the sum of its proper divisors (278266906).

490131494 is a wasteful number, since it uses less digits than its factorization.

490131494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87247.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 490131494 is about 22138.9135686465. The cubic root of 490131494 is about 788.4440313550. Note that the first 3 decimals are identical.

The spelling of 490131494 in words is "four hundred ninety million, one hundred thirty-one thousand, four hundred ninety-four".