28150358188032 has 392 divisors, whose sum is σ = 84732975084384. Its totient is φ = 9347252649984.

The previous prime is 28150358188021. The next prime is 28150358188039. The reversal of 28150358188032 is 23088185305182.

28150358188032 is a `hidden beast` number, since 2 + 8 + 1 + 50 + 3 + 581 + 8 + 8 + 0 + 3 + 2 = 666.

It is a super-2 number, since 2×28150358188032² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28150358188032.

It is not an unprimeable number, because it can be changed into a prime (28150358188039) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1570618623 + ... + 1570636545.

Almost surely, 2^{28150358188032} 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 28150358188032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42366487542192).

28150358188032 is an abundant number, since it is smaller than the sum of its proper divisors (56582616896352).

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

28150358188032 is an frugal number, since it uses more digits than its factorization.

28150358188032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18230 (or 18191 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 28150358188032 in words is "twenty-eight trillion, one hundred fifty billion, three hundred fifty-eight million, one hundred eighty-eight thousand, thirty-two".