28490200704 has 192 divisors, whose sum is σ = 95981820480. Its totient is φ = 7941427200.

The previous prime is 28490200699. The next prime is 28490200727. The reversal of 28490200704 is 40700209482.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 287539 + ... + 373709.

It is an arithmetic number, because the mean of its divisors is an integer number (499905315).

Almost surely, 2^28490200704 is an apocalyptic number.

28490200704 is a gapful number since it is divisible by the number (24) 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 28490200704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47990910240).

28490200704 is an abundant number, since it is smaller than the sum of its proper divisors (67491619776).

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

28490200704 is a wasteful number, since it uses less digits than its factorization.

28490200704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86239 (or 86224 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28490200704 in words is "twenty-eight billion, four hundred ninety million, two hundred thousand, seven hundred four".