4521242158028 has 12 divisors (see below), whose sum is σ = 7912190376552. Its totient is φ = 2260616336160.

The previous prime is 4521242157989. The next prime is 4521242158063. The reversal of 4521242158028 is 8208512421254.

It is a self number, because there is not a number n which added to its sum of digits gives 4521242158028.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1787576 + ... + 3498272.

It is an arithmetic number, because the mean of its divisors is an integer number (659349198046).

Almost surely, 2^{4521242158028} is an apocalyptic number.

It is an amenable number.

4521242158028 is a deficient number, since it is larger than the sum of its proper divisors (3390948218524).

4521242158028 is a wasteful number, since it uses less digits than its factorization.

4521242158028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371432 (or 2371430 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 44.

The spelling of 4521242158028 in words is "four trillion, five hundred twenty-one billion, two hundred forty-two million, one hundred fifty-eight thousand, twenty-eight".