28193294982384 has 240 divisors, whose sum is σ = 93314792423424. Its totient is φ = 7775937792000.

The previous prime is 28193294982383. The next prime is 28193294982439. The reversal of 28193294982384 is 48328949239182.

28193294982384 is a `hidden beast` number, since 2 + 8 + 1 + 9 + 32 + 9 + 498 + 23 + 84 = 666.

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

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 (28193294982383) 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, 11405457 + ... + 13655439.

Almost surely, 2^{28193294982384} is an apocalyptic number.

28193294982384 is a gapful number since it is divisible by the number (24) 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 28193294982384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46657396211712).

28193294982384 is an abundant number, since it is smaller than the sum of its proper divisors (65121497441040).

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

28193294982384 is a wasteful number, since it uses less digits than its factorization.

28193294982384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250436 (or 2250427 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 72.

The spelling of 28193294982384 in words is "twenty-eight trillion, one hundred ninety-three billion, two hundred ninety-four million, nine hundred eighty-two thousand, three hundred eighty-four".