28041362107122 has 128 divisors (see below), whose sum is σ = 69152786035200. Its totient is φ = 7381832564736.

The previous prime is 28041362107079. The next prime is 28041362107123. The reversal of 28041362107122 is 22170126314082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (28041362107123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 749569954 + ... + 749607362.

It is an arithmetic number, because the mean of its divisors is an integer number (540256140900).

Almost surely, 2^{28041362107122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28041362107122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34576393017600).

28041362107122 is an abundant number, since it is smaller than the sum of its proper divisors (41111423928078).

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

28041362107122 is a wasteful number, since it uses less digits than its factorization.

28041362107122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39940.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 28041362107122 in words is "twenty-eight trillion, forty-one billion, three hundred sixty-two million, one hundred seven thousand, one hundred twenty-two".