5728021426 has 16 divisors (see below), whose sum is σ = 8634450240. Its totient is φ = 2849886000.

The previous prime is 5728021421. The next prime is 5728021433. The reversal of 5728021426 is 6241208275.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5728021421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487035 + ... + 1490881.

It is an arithmetic number, because the mean of its divisors is an integer number (539653140).

Almost surely, 2^5728021426 is an apocalyptic number.

5728021426 is a deficient number, since it is larger than the sum of its proper divisors (2906428814).

5728021426 is a wasteful number, since it uses less digits than its factorization.

5728021426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 5728021426 is about 75683.6932634765. The cubic root of 5728021426 is about 1789.2384040958.

The spelling of 5728021426 in words is "five billion, seven hundred twenty-eight million, twenty-one thousand, four hundred twenty-six".