490858996572 has 240 divisors, whose sum is σ = 1476036408000. Its totient is φ = 139337957376.

The previous prime is 490858996541. The next prime is 490858996577. The reversal of 490858996572 is 275699858094.

490858996572 is a `hidden beast` number, since 49 + 0 + 8 + 5 + 8 + 9 + 9 + 6 + 572 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 490858996572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490858996577) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 399396454 + ... + 399397682.

It is an arithmetic number, because the mean of its divisors is an integer number (6150151700).

Almost surely, 2^490858996572 is an apocalyptic number.

490858996572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490858996572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738018204000).

490858996572 is an abundant number, since it is smaller than the sum of its proper divisors (985177411428).

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

490858996572 is a wasteful number, since it uses less digits than its factorization.

490858996572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 490858996572 in words is "four hundred ninety billion, eight hundred fifty-eight million, nine hundred ninety-six thousand, five hundred seventy-two".