4280021744 has 20 divisors (see below), whose sum is σ = 8338874760. Its totient is φ = 2128054080.

The previous prime is 4280021737. The next prime is 4280021797. The reversal of 4280021744 is 4471200824.

It is a super-2 number, since 2×4280021744² = 36637172258225603072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4280021744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744347 + ... + 750074.

It is an arithmetic number, because the mean of its divisors is an integer number (416943738).

Almost surely, 2^4280021744 is an apocalyptic number.

It is an amenable number.

4280021744 is a deficient number, since it is larger than the sum of its proper divisors (4058853016).

4280021744 is a wasteful number, since it uses less digits than its factorization.

4280021744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494608 (or 1494602 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 4280021744 is about 65421.8751183425. The cubic root of 4280021744 is about 1623.6110253675.

The spelling of 4280021744 in words is "four billion, two hundred eighty million, twenty-one thousand, seven hundred forty-four".