28159576301340 has 480 divisors, whose sum is σ = 101381167641600. Its totient is φ = 6479443514880.

The previous prime is 28159576301327. The next prime is 28159576301459. The reversal of 28159576301340 is 4310367595182.

It is a happy number.

28159576301340 is a `hidden beast` number, since 2 + 8 + 1 + 5 + 9 + 576 + 30 + 1 + 34 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 30028237 + ... + 30951803.

It is an arithmetic number, because the mean of its divisors is an integer number (211210765920).

It is a 1-persistent number, because it is pandigital, but 2⋅28159576301340 = 56319152602680 is not.

Almost surely, 2^{28159576301340} is an apocalyptic number.

28159576301340 is a gapful number since it is divisible by the number (20) 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 28159576301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50690583820800).

28159576301340 is an abundant number, since it is smaller than the sum of its proper divisors (73221591340260).

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

28159576301340 is a wasteful number, since it uses less digits than its factorization.

28159576301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923687 (or 923676 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 28159576301340 in words is "twenty-eight trillion, one hundred fifty-nine billion, five hundred seventy-six million, three hundred one thousand, three hundred forty".