28622637120 has 336 divisors, whose sum is σ = 114162620544. Its totient is φ = 5947392000.

The previous prime is 28622637091. The next prime is 28622637157. The reversal of 28622637120 is 2173622682.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795520 + ... + 830720.

It is an arithmetic number, because the mean of its divisors is an integer number (339769704).

Almost surely, 2^28622637120 is an apocalyptic number.

28622637120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28622637120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57081310272).

28622637120 is an abundant number, since it is smaller than the sum of its proper divisors (85539983424).

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

28622637120 is a wasteful number, since it uses less digits than its factorization.

28622637120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35250 (or 35229 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 28622637120 in words is "twenty-eight billion, six hundred twenty-two million, six hundred thirty-seven thousand, one hundred twenty".