498561194880 has 768 divisors, whose sum is σ = 2047148812800. Its totient is φ = 113580859392.

The previous prime is 498561194749. The next prime is 498561194881. The reversal of 498561194880 is 88491165894.

498561194880 is a `hidden beast` number, since 4 + 9 + 8 + 5 + 611 + 9 + 4 + 8 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498561194881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 456139614 + ... + 456140706.

It is an arithmetic number, because the mean of its divisors is an integer number (2665558350).

Almost surely, 2^498561194880 is an apocalyptic number.

498561194880 is a gapful number since it is divisible by the number (40) 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 498561194880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023574406400).

498561194880 is an abundant number, since it is smaller than the sum of its proper divisors (1548587617920).

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

498561194880 is a wasteful number, since it uses less digits than its factorization.

498561194880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 498561194880 in words is "four hundred ninety-eight billion, five hundred sixty-one million, one hundred ninety-four thousand, eight hundred eighty".