28253427006 has 128 divisors (see below), whose sum is σ = 69728440320. Its totient is φ = 7451523072.

The previous prime is 28253426953. The next prime is 28253427019. The reversal of 28253427006 is 60072435282.

It is a super-2 number, since 2×28253427006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19798465 + ... + 19799891.

It is an arithmetic number, because the mean of its divisors is an integer number (544753440).

Almost surely, 2^28253427006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28253427006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34864220160).

28253427006 is an abundant number, since it is smaller than the sum of its proper divisors (41475013314).

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

28253427006 is a wasteful number, since it uses less digits than its factorization.

28253427006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 28253427006 in words is "twenty-eight billion, two hundred fifty-three million, four hundred twenty-seven thousand, six".