28037402106 has 64 divisors (see below), whose sum is σ = 66185011200. Its totient is φ = 7748498880.

The previous prime is 28037402069. The next prime is 28037402147. The reversal of 28037402106 is 60120473082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3637845 + ... + 3645543.

It is an arithmetic number, because the mean of its divisors is an integer number (1034140800).

Almost surely, 2^28037402106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28037402106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33092505600).

28037402106 is an abundant number, since it is smaller than the sum of its proper divisors (38147609094).

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

28037402106 is a wasteful number, since it uses less digits than its factorization.

28037402106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 28037402106 its reverse (60120473082), we get a palindrome (88157875188).

The spelling of 28037402106 in words is "twenty-eight billion, thirty-seven million, four hundred two thousand, one hundred six".