28090304913542 has 8 divisors (see below), whose sum is σ = 42200986854936. Its totient is φ = 14023309295232.

The previous prime is 28090304913467. The next prime is 28090304913569. The reversal of 28090304913542 is 24531940309082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10921579163 + ... + 10921581734.

It is an arithmetic number, because the mean of its divisors is an integer number (5275123356867).

Almost surely, 2^{28090304913542} is an apocalyptic number.

28090304913542 is a deficient number, since it is larger than the sum of its proper divisors (14110681941394).

28090304913542 is a wasteful number, since it uses less digits than its factorization.

28090304913542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843161542.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 28090304913542 in words is "twenty-eight trillion, ninety billion, three hundred four million, nine hundred thirteen thousand, five hundred forty-two".