5538856475880 has 2048 divisors, whose sum is σ = 23984916480000. Its totient is φ = 1106203557888.

The previous prime is 5538856475869. The next prime is 5538856475921. The reversal of 5538856475880 is 885746588355.

5538856475880 is a `hidden beast` number, since 5 + 5 + 3 + 8 + 8 + 564 + 7 + 58 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 5538856475799 and 5538856475808.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 20590544386 + ... + 20590544654.

It is an arithmetic number, because the mean of its divisors is an integer number (11711385000).

Almost surely, 2^{5538856475880} 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 5538856475880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11992458240000).

5538856475880 is an abundant number, since it is smaller than the sum of its proper divisors (18446060004120).

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

5538856475880 is a wasteful number, since it uses less digits than its factorization.

5538856475880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1290240000, while the sum is 72.

The spelling of 5538856475880 in words is "five trillion, five hundred thirty-eight billion, eight hundred fifty-six million, four hundred seventy-five thousand, eight hundred eighty".