28226880030 has 32 divisors (see below), whose sum is σ = 67854353184. Its totient is φ = 7514963456.

The previous prime is 28226880029. The next prime is 28226880043. The reversal of 28226880030 is 3008862282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743967 + ... + 780986.

It is an arithmetic number, because the mean of its divisors is an integer number (2120448537).

Almost surely, 2^28226880030 is an apocalyptic number.

28226880030 is an abundant number, since it is smaller than the sum of its proper divisors (39627473154).

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

28226880030 is a wasteful number, since it uses less digits than its factorization.

28226880030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525580.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 28226880030 in words is "twenty-eight billion, two hundred twenty-six million, eight hundred eighty thousand, thirty".