490042812 has 48 divisors (see below), whose sum is σ = 1351848960. Its totient is φ = 135183552.

The previous prime is 490042801. The next prime is 490042859. The reversal of 490042812 is 218240094.

It is a self number, because there is not a number n which added to its sum of digits gives 490042812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98148 + ... + 103019.

It is an arithmetic number, because the mean of its divisors is an integer number (28163520).

Almost surely, 2^490042812 is an apocalyptic number.

490042812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

490042812 is an abundant number, since it is smaller than the sum of its proper divisors (861806148).

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

490042812 is a wasteful number, since it uses less digits than its factorization.

490042812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201210 (or 201208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 490042812 is about 22136.9106245655. The cubic root of 490042812 is about 788.3964760820.

The spelling of 490042812 in words is "four hundred ninety million, forty-two thousand, eight hundred twelve".