490129550 has 72 divisors (see below), whose sum is σ = 980555544. Its totient is φ = 182218240.

The previous prime is 490129513. The next prime is 490129553. The reversal of 490129550 is 55921094.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 490129550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490129553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1545992 + ... + 1546308.

It is an arithmetic number, because the mean of its divisors is an integer number (13618827).

Almost surely, 2^490129550 is an apocalyptic number.

490129550 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

490129550 is a wasteful number, since it uses less digits than its factorization.

490129550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 490129550 is about 22138.8696640095. The cubic root of 490129550 is about 788.4429889564.

The spelling of 490129550 in words is "four hundred ninety million, one hundred twenty-nine thousand, five hundred fifty".