28264169024 has 336 divisors, whose sum is σ = 72852369408. Its totient is φ = 10778406912.

The previous prime is 28264168991. The next prime is 28264169033. The reversal of 28264169024 is 42096146282.

It is a happy number.

It is a super-2 number, since 2×28264169024² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222552449 + ... + 222552575.

It is an arithmetic number, because the mean of its divisors is an integer number (216822528).

Almost surely, 2^28264169024 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 28264169024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36426184704).

28264169024 is an abundant number, since it is smaller than the sum of its proper divisors (44588200384).

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

28264169024 is a wasteful number, since it uses less digits than its factorization.

28264169024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 28264169024 in words is "twenty-eight billion, two hundred sixty-four million, one hundred sixty-nine thousand, twenty-four".