490240255 has 8 divisors (see below), whose sum is σ = 589550832. Its totient is φ = 391350528.

The previous prime is 490240249. The next prime is 490240277. The reversal of 490240255 is 552042094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490240255 - 2¹³ = 490232063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102642 + ... + 107311.

It is an arithmetic number, because the mean of its divisors is an integer number (73693854).

Almost surely, 2^490240255 is an apocalyptic number.

490240255 is a deficient number, since it is larger than the sum of its proper divisors (99310577).

490240255 is a wasteful number, since it uses less digits than its factorization.

490240255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210425.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 490240255 is about 22141.3697634089. The cubic root of 490240255 is about 788.5023460592.

The spelling of 490240255 in words is "four hundred ninety million, two hundred forty thousand, two hundred fifty-five".