490485743420 has 24 divisors (see below), whose sum is σ = 1030042246464. Its totient is φ = 196190071616.

The previous prime is 490485743387. The next prime is 490485743431. The reversal of 490485743420 is 24347584094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790349 + ... + 1267131.

It is an arithmetic number, because the mean of its divisors is an integer number (42918426936).

Almost surely, 2^490485743420 is an apocalyptic number.

It is an amenable number.

490485743420 is an abundant number, since it is smaller than the sum of its proper divisors (539556503044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490485743420 is a wasteful number, since it uses less digits than its factorization.

490485743420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528229 (or 528227 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 490485743420 in words is "four hundred ninety billion, four hundred eighty-five million, seven hundred forty-three thousand, four hundred twenty".