498978662990976 has 480 divisors, whose sum is σ = 1727574380484480. Its totient is φ = 142550414576640.

The previous prime is 498978662990933. The next prime is 498978662990993. The reversal of 498978662990976 is 679099266879894.

498978662990976 is a `hidden beast` number, since 49 + 89 + 78 + 66 + 299 + 0 + 9 + 76 = 666.

It is a super-2 number, since 2×498978662990976² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5417099161 + ... + 5417191271.

It is an arithmetic number, because the mean of its divisors is an integer number (3599113292676).

Almost surely, 2^{498978662990976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498978662990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863787190242240).

498978662990976 is an abundant number, since it is smaller than the sum of its proper divisors (1228595717493504).

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

498978662990976 is a wasteful number, since it uses less digits than its factorization.

498978662990976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102814 (or 102786 counting only the distinct ones).

The product of its (nonzero) digits is 319987003392, while the sum is 99.

The spelling of 498978662990976 in words is "four hundred ninety-eight trillion, nine hundred seventy-eight billion, six hundred sixty-two million, nine hundred ninety thousand, nine hundred seventy-six".