498725288640 has 336 divisors, whose sum is σ = 1742602657536. Its totient is φ = 130891622400.

The previous prime is 498725288617. The next prime is 498725288653. The reversal of 498725288640 is 46882527894.

498725288640 is a `hidden beast` number, since 49 + 8 + 7 + 2 + 528 + 8 + 64 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139658055 + ... + 139661625.

Almost surely, 2^498725288640 is an apocalyptic number.

498725288640 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 498725288640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871301328768).

498725288640 is an abundant number, since it is smaller than the sum of its proper divisors (1243877368896).

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

498725288640 is a wasteful number, since it uses less digits than its factorization.

498725288640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 498725288640 in words is "four hundred ninety-eight billion, seven hundred twenty-five million, two hundred eighty-eight thousand, six hundred forty".