538493899776 has 264 divisors, whose sum is σ = 1674005747616. Its totient is φ = 153450823680.

The previous prime is 538493899717. The next prime is 538493899861. The reversal of 538493899776 is 677998394835.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59755111 + ... + 59764121.

Almost surely, 2^538493899776 is an apocalyptic number.

538493899776 is a gapful number since it is divisible by the number (56) 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 538493899776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837002873808).

538493899776 is an abundant number, since it is smaller than the sum of its proper divisors (1135511847840).

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

538493899776 is a wasteful number, since it uses less digits than its factorization.

538493899776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445 (or 9420 counting only the distinct ones).

The product of its digits is 2469035520, while the sum is 78.

The spelling of 538493899776 in words is "five hundred thirty-eight billion, four hundred ninety-three million, eight hundred ninety-nine thousand, seven hundred seventy-six".