4401200728 has 8 divisors (see below), whose sum is σ = 8252251380. Its totient is φ = 2200600360.

The previous prime is 4401200723. The next prime is 4401200767. The reversal of 4401200728 is 8270021044.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4401200696 and 4401200705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401200723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275075038 + ... + 275075053.

Almost surely, 2^4401200728 is an apocalyptic number.

It is an amenable number.

4401200728 is a deficient number, since it is larger than the sum of its proper divisors (3851050652).

4401200728 is a wasteful number, since it uses less digits than its factorization.

4401200728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550150097 (or 550150093 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 4401200728 is about 66341.5460175598. The cubic root of 4401200728 is about 1638.7915855218.

The spelling of 4401200728 in words is "four billion, four hundred one million, two hundred thousand, seven hundred twenty-eight".