28118352895488 has 240 divisors, whose sum is σ = 83773636380720. Its totient is φ = 9073789304832.

The previous prime is 28118352895487. The next prime is 28118352895511. The reversal of 28118352895488 is 88459825381182.

28118352895488 is a `hidden beast` number, since 2 + 8 + 1 + 1 + 8 + 3 + 52 + 8 + 95 + 488 = 666.

It is a super-3 number, since 3×28118352895488³ (a number of 41 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28118352895487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21762358 + ... + 23018186.

It is an arithmetic number, because the mean of its divisors is an integer number (349056818253).

Almost surely, 2^{28118352895488} 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 28118352895488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41886818190360).

28118352895488 is an abundant number, since it is smaller than the sum of its proper divisors (55655283485232).

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

28118352895488 is a wasteful number, since it uses less digits than its factorization.

28118352895488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256009 (or 1255990 counting only the distinct ones).

The product of its digits is 353894400, while the sum is 72.

The spelling of 28118352895488 in words is "twenty-eight trillion, one hundred eighteen billion, three hundred fifty-two million, eight hundred ninety-five thousand, four hundred eighty-eight".