28541030400 has 936 divisors, whose sum is σ = 112391528704. Its totient is φ = 7166361600.

The previous prime is 28541030389. The next prime is 28541030407. The reversal of 28541030400 is 403014582.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28541030407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 771379182 + ... + 771379218.

Almost surely, 2^28541030400 is an apocalyptic number.

28541030400 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 28541030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56195764352).

28541030400 is an abundant number, since it is smaller than the sum of its proper divisors (83850498304).

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

28541030400 is an equidigital number, since it uses as much as digits as its factorization.

28541030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 28541030400 its reverse (403014582), we get a palindrome (28944044982).

The spelling of 28541030400 in words is "twenty-eight billion, five hundred forty-one million, thirty thousand, four hundred".