490555549 has 8 divisors (see below), whose sum is σ = 535398048. Its totient is φ = 445754160.

The previous prime is 490555511. The next prime is 490555573. The reversal of 490555549 is 945555094.

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 490555549 - 2⁷ = 490555421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490555499 and 490555508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490555579) 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, 18099 + ... + 36175.

It is an arithmetic number, because the mean of its divisors is an integer number (66924756).

Almost surely, 2^490555549 is an apocalyptic number.

It is an amenable number.

490555549 is a deficient number, since it is larger than the sum of its proper divisors (44842499).

490555549 is a wasteful number, since it uses less digits than its factorization.

490555549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 490555549 is about 22148.4886391826. The cubic root of 490555549 is about 788.6713494394.

The spelling of 490555549 in words is "four hundred ninety million, five hundred fifty-five thousand, five hundred forty-nine".