28395326401750 has 512 divisors, whose sum is σ = 74198915481600. Its totient is φ = 7855688448000.

The previous prime is 28395326401727. The next prime is 28395326401753. The reversal of 28395326401750 is 5710462359382.

It is a super-2 number, since 2×28395326401750² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 28395326401691 and 28395326401700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395326401753) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1386548011 + ... + 1386568489.

It is an arithmetic number, because the mean of its divisors is an integer number (144919756800).

It is a 1-persistent number, because it is pandigital, but 2⋅28395326401750 = 56790652803500 is not.

Almost surely, 2^{28395326401750} is an apocalyptic number.

28395326401750 is an abundant number, since it is smaller than the sum of its proper divisors (45803589079850).

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

28395326401750 is a wasteful number, since it uses less digits than its factorization.

28395326401750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20773 (or 20763 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 28395326401750 in words is "twenty-eight trillion, three hundred ninety-five billion, three hundred twenty-six million, four hundred one thousand, seven hundred fifty".