490555287 has 24 divisors (see below), whose sum is σ = 735281456. Its totient is φ = 314896896.

The previous prime is 490555249. The next prime is 490555297. The reversal of 490555287 is 782555094.

490555287 is a `hidden beast` number, since 4 + 90 + 5 + 552 + 8 + 7 = 666.

It is not a de Polignac number, because 490555287 - 2⁷ = 490555159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490555207) 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, 24708 + ... + 39894.

Almost surely, 2^490555287 is an apocalyptic number.

490555287 is a deficient number, since it is larger than the sum of its proper divisors (244726169).

490555287 is a wasteful number, since it uses less digits than its factorization.

490555287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15327 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 490555287 is about 22148.4827245570. The cubic root of 490555287 is about 788.6712090326.

The spelling of 490555287 in words is "four hundred ninety million, five hundred fifty-five thousand, two hundred eighty-seven".