28365419088 has 240 divisors, whose sum is σ = 85912197696. Its totient is φ = 8704143360.

The previous prime is 28365419081. The next prime is 28365419099. The reversal of 28365419088 is 88091456382.

28365419088 is a `hidden beast` number, since 2 + 8 + 3 + 6 + 541 + 90 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28365419081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26734078 + ... + 26735138.

Almost surely, 2^28365419088 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 28365419088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42956098848).

28365419088 is an abundant number, since it is smaller than the sum of its proper divisors (57546778608).

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

28365419088 is a wasteful number, since it uses less digits than its factorization.

28365419088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 28365419088 in words is "twenty-eight billion, three hundred sixty-five million, four hundred nineteen thousand, eighty-eight".