490642955 has 16 divisors (see below), whose sum is σ = 644260608. Its totient is φ = 355740000.

The previous prime is 490642937. The next prime is 490642973. The reversal of 490642955 is 559246094.

It is an interprime number because it is at equal distance from previous prime (490642937) and next prime (490642973).

It is not a de Polignac number, because 490642955 - 2⁶ = 490642891 is a prime.

It is a super-2 number, since 2×490642955² = 481461018582264050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4730 + ... + 31680.

It is an arithmetic number, because the mean of its divisors is an integer number (40266288).

Almost surely, 2^490642955 is an apocalyptic number.

490642955 is a deficient number, since it is larger than the sum of its proper divisors (153617653).

490642955 is a wasteful number, since it uses less digits than its factorization.

490642955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27298.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 490642955 is about 22150.4617333364. The cubic root of 490642955 is about 788.7181878415.

The spelling of 490642955 in words is "four hundred ninety million, six hundred forty-two thousand, nine hundred fifty-five".