28004134614 has 32 divisors (see below), whose sum is σ = 57085274880. Its totient is φ = 9156064800.

The previous prime is 28004134603. The next prime is 28004134621. The reversal of 28004134614 is 41643140082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24829 + ... + 237959.

It is an arithmetic number, because the mean of its divisors is an integer number (1783914840).

Almost surely, 2^28004134614 is an apocalyptic number.

28004134614 is an abundant number, since it is smaller than the sum of its proper divisors (29081140266).

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

28004134614 is a wasteful number, since it uses less digits than its factorization.

28004134614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213556.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 28004134614 its reverse (41643140082), we get a palindrome (69647274696).

The spelling of 28004134614 in words is "twenty-eight billion, four million, one hundred thirty-four thousand, six hundred fourteen".