538579647480 has 256 divisors, whose sum is σ = 1858019834880. Its totient is φ = 122341330944.

The previous prime is 538579647451. The next prime is 538579647481. The reversal of 538579647480 is 84746975835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538579647481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252024972 + ... + 252027108.

It is an arithmetic number, because the mean of its divisors is an integer number (7257889980).

Almost surely, 2^538579647480 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 538579647480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929009917440).

538579647480 is an abundant number, since it is smaller than the sum of its proper divisors (1319440187400).

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

538579647480 is a wasteful number, since it uses less digits than its factorization.

538579647480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 538579647480 in words is "five hundred thirty-eight billion, five hundred seventy-nine million, six hundred forty-seven thousand, four hundred eighty".