4028744751252 has 24 divisors (see below), whose sum is σ = 10123512452256. Its totient is φ = 1239613769568.

The previous prime is 4028744751167. The next prime is 4028744751293. The reversal of 4028744751252 is 2521574478204.

It is a junction number, because it is equal to n+sod(n) for n = 4028744751195 and 4028744751204.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12912643278 + ... + 12912643589.

It is an arithmetic number, because the mean of its divisors is an integer number (421813018844).

Almost surely, 2^{4028744751252} is an apocalyptic number.

It is an amenable number.

4028744751252 is an abundant number, since it is smaller than the sum of its proper divisors (6094767701004).

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

4028744751252 is a wasteful number, since it uses less digits than its factorization.

4028744751252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25825286887 (or 25825286885 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 51.

The spelling of 4028744751252 in words is "four trillion, twenty-eight billion, seven hundred forty-four million, seven hundred fifty-one thousand, two hundred fifty-two".