28032420414 has 16 divisors (see below), whose sum is σ = 56074496400. Its totient is φ = 9342530880.

The previous prime is 28032420413. The next prime is 28032420443. The reversal of 28032420414 is 41402423082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28032420413) 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 7 ways as a sum of consecutive naturals, for example, 364297 + ... + 434484.

It is an arithmetic number, because the mean of its divisors is an integer number (3504656025).

Almost surely, 2^28032420414 is an apocalyptic number.

28032420414 is an abundant number, since it is smaller than the sum of its proper divisors (28042075986).

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

28032420414 is a wasteful number, since it uses less digits than its factorization.

28032420414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804635.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 28032420414 its reverse (41402423082), we get a palindrome (69434843496).

The spelling of 28032420414 in words is "twenty-eight billion, thirty-two million, four hundred twenty thousand, four hundred fourteen".