4020246728 has 16 divisors (see below), whose sum is σ = 7865700480. Its totient is φ = 1922726608.

The previous prime is 4020246709. The next prime is 4020246731. The reversal of 4020246728 is 8276420204.

It is a happy 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, 10924400 + ... + 10924767.

It is an arithmetic number, because the mean of its divisors is an integer number (491606280).

Almost surely, 2^4020246728 is an apocalyptic number.

It is an amenable number.

4020246728 is a deficient number, since it is larger than the sum of its proper divisors (3845453752).

4020246728 is a wasteful number, since it uses less digits than its factorization.

4020246728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21849196 (or 21849192 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 4020246728 is about 63405.4156046627. The cubic root of 4020246728 is about 1590.0748521649.

The spelling of 4020246728 in words is "four billion, twenty million, two hundred forty-six thousand, seven hundred twenty-eight".