490956043 has 4 divisors (see below), whose sum is σ = 494251200. Its totient is φ = 487660888.

The previous prime is 490956023. The next prime is 490956047. The reversal of 490956043 is 340659094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490956043 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490955987 and 490956005.

It is not an unprimeable number, because it can be changed into a prime (490956047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647355 + ... + 1647652.

It is an arithmetic number, because the mean of its divisors is an integer number (123562800).

Almost surely, 2^490956043 is an apocalyptic number.

490956043 is a deficient number, since it is larger than the sum of its proper divisors (3295157).

490956043 is a wasteful number, since it uses less digits than its factorization.

490956043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295156.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 490956043 is about 22157.5279081399. The cubic root of 490956043 is about 788.8859172061.

The spelling of 490956043 in words is "four hundred ninety million, nine hundred fifty-six thousand, forty-three".