28022358000 has 640 divisors, whose sum is σ = 117772462080. Its totient is φ = 5562777600.

The previous prime is 28022357981. The next prime is 28022358037. The reversal of 28022358000 is 85322082.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9280491 + ... + 9283509.

It is an arithmetic number, because the mean of its divisors is an integer number (184019472).

Almost surely, 2^28022358000 is an apocalyptic number.

28022358000 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 28022358000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58886231040).

28022358000 is an abundant number, since it is smaller than the sum of its proper divisors (89750104080).

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

28022358000 is a wasteful number, since it uses less digits than its factorization.

28022358000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 28022358000 in words is "twenty-eight billion, twenty-two million, three hundred fifty-eight thousand".