28583374000 has 160 divisors (see below), whose sum is σ = 70284876480. Its totient is φ = 11241216000.

The previous prime is 28583373991. The next prime is 28583374007. The reversal of 28583374000 is 47338582.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (28583374007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67893790 + ... + 67894210.

It is an arithmetic number, because the mean of its divisors is an integer number (439280478).

Almost surely, 2^28583374000 is an apocalyptic number.

28583374000 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 28583374000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35142438240).

28583374000 is an abundant number, since it is smaller than the sum of its proper divisors (41701502480).

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

28583374000 is a wasteful number, since it uses less digits than its factorization.

28583374000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 28583374000 in words is "twenty-eight billion, five hundred eighty-three million, three hundred seventy-four thousand".