490518023828 has 24 divisors (see below), whose sum is σ = 982485178752. Its totient is φ = 209911482144.

The previous prime is 490518023813. The next prime is 490518023861. The reversal of 490518023828 is 828320815094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12919376 + ... + 12957287.

It is an arithmetic number, because the mean of its divisors is an integer number (40936882448).

Almost surely, 2^490518023828 is an apocalyptic number.

It is an amenable number.

490518023828 is an abundant number, since it is smaller than the sum of its proper divisors (491967154924).

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

490518023828 is a wasteful number, since it uses less digits than its factorization.

490518023828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25877351 (or 25877349 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 490518023828 in words is "four hundred ninety billion, five hundred eighteen million, twenty-three thousand, eight hundred twenty-eight".