4047511428 has 36 divisors (see below), whose sum is σ = 10248287868. Its totient is φ = 1346918400.

The previous prime is 4047511427. The next prime is 4047511547. The reversal of 4047511428 is 8241157404.

It is a happy number.

4047511428 is a `hidden beast` number, since 40 + 475 + 1 + 142 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2297093184 + 1750418244 = 47928^2 + 41838^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4047511392 and 4047511401.

It is not an unprimeable number, because it can be changed into a prime (4047511421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71901 + ... + 115172.

It is an arithmetic number, because the mean of its divisors is an integer number (284674663).

Almost surely, 2^4047511428 is an apocalyptic number.

It is an amenable number.

4047511428 is an abundant number, since it is smaller than the sum of its proper divisors (6200776440).

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

4047511428 is a wasteful number, since it uses less digits than its factorization.

4047511428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187684 (or 187679 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4047511428 is about 63620.0552341791. The cubic root of 4047511428 is about 1593.6613051079.

The spelling of 4047511428 in words is "four billion, forty-seven million, five hundred eleven thousand, four hundred twenty-eight".