490589974602 has 432 divisors, whose sum is σ = 1377813265920. Its totient is φ = 125673230592.

The previous prime is 490589974513. The next prime is 490589974607. The reversal of 490589974602 is 206479985094.

490589974602 is a `hidden beast` number, since 4 + 9 + 0 + 5 + 89 + 97 + 460 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 490589974602.

It is not an unprimeable number, because it can be changed into a prime (490589974607) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1674368368 + ... + 1674368660.

It is an arithmetic number, because the mean of its divisors is an integer number (3189382560).

Almost surely, 2^490589974602 is an apocalyptic number.

490589974602 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 490589974602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688906632960).

490589974602 is an abundant number, since it is smaller than the sum of its proper divisors (887223291318).

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

490589974602 is a wasteful number, since it uses less digits than its factorization.

490589974602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 490589974602 in words is "four hundred ninety billion, five hundred eighty-nine million, nine hundred seventy-four thousand, six hundred two".