490000043 has 8 divisors (see below), whose sum is σ = 544715136. Its totient is φ = 437716800.

The previous prime is 490000031. The next prime is 490000057. The reversal of 490000043 is 340000094.

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 490000043 - 2¹⁶ = 489934507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490000003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 607538 + ... + 608343.

It is an arithmetic number, because the mean of its divisors is an integer number (68089392).

Almost surely, 2^490000043 is an apocalyptic number.

490000043 is a deficient number, since it is larger than the sum of its proper divisors (54715093).

490000043 is a wasteful number, since it uses less digits than its factorization.

490000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215925.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 490000043 is about 22135.9445924496. The cubic root of 490000043 is about 788.3735393718.

The spelling of 490000043 in words is "four hundred ninety million, forty-three", and thus it is an aban number.