28469737296 has 360 divisors, whose sum is σ = 107572061376. Its totient is φ = 6825461760.

The previous prime is 28469737279. The next prime is 28469737297. The reversal of 28469737296 is 69273796482.

28469737296 is a `hidden beast` number, since 284 + 69 + 7 + 3 + 7 + 296 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28469737297) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1866276 + ... + 1881468.

Almost surely, 2^28469737296 is an apocalyptic number.

28469737296 is a gapful number since it is divisible by the number (26) 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 28469737296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53786030688).

28469737296 is an abundant number, since it is smaller than the sum of its proper divisors (79102324080).

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

28469737296 is a wasteful number, since it uses less digits than its factorization.

28469737296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251 (or 15229 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 28469737296 in words is "twenty-eight billion, four hundred sixty-nine million, seven hundred thirty-seven thousand, two hundred ninety-six".