4260685728 has 48 divisors (see below), whose sum is σ = 12044634336. Its totient is φ = 1310979840.

The previous prime is 4260685721. The next prime is 4260685747. The reversal of 4260685728 is 8275860624.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4260685721) 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, 1705758 + ... + 1708253.

It is an arithmetic number, because the mean of its divisors is an integer number (250929882).

Almost surely, 2^4260685728 is an apocalyptic number.

4260685728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4260685728 is an abundant number, since it is smaller than the sum of its proper divisors (7783948608).

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

4260685728 is a wasteful number, since it uses less digits than its factorization.

4260685728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414037 (or 3414029 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 4260685728 is about 65273.9283941146. The cubic root of 4260685728 is about 1621.1623178192.

The spelling of 4260685728 in words is "four billion, two hundred sixty million, six hundred eighty-five thousand, seven hundred twenty-eight".