28695441220992 has 1920 divisors, whose sum is σ = 110591114024160. Its totient is φ = 7316998520832.

The previous prime is 28695441220907. The next prime is 28695441221003. The reversal of 28695441220992 is 29902214459682.

28695441220992 is a `hidden beast` number, since 2 + 8 + 6 + 9 + 5 + 4 + 412 + 209 + 9 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 25552484943 + ... + 25552486065.

Almost surely, 2^{28695441220992} 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 28695441220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55295557012080).

28695441220992 is an abundant number, since it is smaller than the sum of its proper divisors (81895672803168).

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

28695441220992 is a wasteful number, since it uses less digits than its factorization.

28695441220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 28695441220992 in words is "twenty-eight trillion, six hundred ninety-five billion, four hundred forty-one million, two hundred twenty thousand, nine hundred ninety-two".