28196076319488 has 540 divisors, whose sum is σ = 105615692711760. Its totient is φ = 7323651624960.

The previous prime is 28196076319421. The next prime is 28196076319501. The reversal of 28196076319488 is 88491367069182.

28196076319488 is a `hidden beast` number, since 2 + 8 + 1 + 9 + 60 + 76 + 3 + 19 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 16760698 + ... + 18366086.

Almost surely, 2^{28196076319488} is an apocalyptic number.

28196076319488 is a gapful number since it is divisible by the number (28) 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 28196076319488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52807846355880).

28196076319488 is an abundant number, since it is smaller than the sum of its proper divisors (77419616392272).

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

28196076319488 is a wasteful number, since it uses less digits than its factorization.

28196076319488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605446 (or 1605412 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 28196076319488 in words is "twenty-eight trillion, one hundred ninety-six billion, seventy-six million, three hundred nineteen thousand, four hundred eighty-eight".