498563478784 has 432 divisors, whose sum is σ = 1242171504000. Its totient is φ = 195347496960.

The previous prime is 498563478781. The next prime is 498563478797. The reversal of 498563478784 is 487874365894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498563478781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3346063542 + ... + 3346063690.

It is an arithmetic number, because the mean of its divisors is an integer number (2875397000).

Almost surely, 2^498563478784 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 498563478784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621085752000).

498563478784 is an abundant number, since it is smaller than the sum of its proper divisors (743608025216).

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

498563478784 is a wasteful number, since it uses less digits than its factorization.

498563478784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 285 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 73.

The spelling of 498563478784 in words is "four hundred ninety-eight billion, five hundred sixty-three million, four hundred seventy-eight thousand, seven hundred eighty-four".