4013472728 has 8 divisors (see below), whose sum is σ = 7525261380. Its totient is φ = 2006736360.

The previous prime is 4013472721. The next prime is 4013472751. The reversal of 4013472728 is 8272743104.

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

It is a super-2 number, since 2×4013472728² = 32215926676799523968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4013472691 and 4013472700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013472721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250842038 + ... + 250842053.

Almost surely, 2^4013472728 is an apocalyptic number.

It is an amenable number.

4013472728 is a deficient number, since it is larger than the sum of its proper divisors (3511788652).

4013472728 is a wasteful number, since it uses less digits than its factorization.

4013472728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501684097 (or 501684093 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 4013472728 is about 63351.9749336988. The cubic root of 4013472728 is about 1589.1812733085.

The spelling of 4013472728 in words is "four billion, thirteen million, four hundred seventy-two thousand, seven hundred twenty-eight".