28276440192 has 1152 divisors, whose sum is σ = 115803717120. Its totient is φ = 6502809600.

The previous prime is 28276440173. The next prime is 28276440197. The reversal of 28276440192 is 29104467282.

It is a tau number, because it is divible by the number of its divisors (1152).

It is not an unprimeable number, because it can be changed into a prime (28276440197) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 250233928 + ... + 250234040.

It is an arithmetic number, because the mean of its divisors is an integer number (100524060).

Almost surely, 2^28276440192 is an apocalyptic number.

28276440192 is a gapful number since it is divisible by the number (22) 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 28276440192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57901858560).

28276440192 is an abundant number, since it is smaller than the sum of its proper divisors (87527276928).

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

28276440192 is a wasteful number, since it uses less digits than its factorization.

28276440192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28276440192 in words is "twenty-eight billion, two hundred seventy-six million, four hundred forty thousand, one hundred ninety-two".