28441622400 has 192 divisors, whose sum is σ = 96910873200. Its totient is φ = 7322828800.

The previous prime is 28441622393. The next prime is 28441622411. The reversal of 28441622400 is 422614482.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227320 + ... + 329480.

Almost surely, 2^28441622400 is an apocalyptic number.

28441622400 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 28441622400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48455436600).

28441622400 is an abundant number, since it is smaller than the sum of its proper divisors (68469250800).

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

28441622400 is a wasteful number, since it uses less digits than its factorization.

28441622400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102217 (or 102200 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 28441622400 in words is "twenty-eight billion, four hundred forty-one million, six hundred twenty-two thousand, four hundred".