4278007660 has 24 divisors (see below), whose sum is σ = 9067781520. Its totient is φ = 1695209664.

The previous prime is 4278007649. The next prime is 4278007697. The reversal of 4278007660 is 667008724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997395 + ... + 1001674.

It is an arithmetic number, because the mean of its divisors is an integer number (377824230).

Almost surely, 2^4278007660 is an apocalyptic number.

It is an amenable number.

4278007660 is an abundant number, since it is smaller than the sum of its proper divisors (4789773860).

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

4278007660 is a wasteful number, since it uses less digits than its factorization.

4278007660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999185 (or 1999183 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 4278007660 is about 65406.4802599865. The cubic root of 4278007660 is about 1623.3563068745.

The spelling of 4278007660 in words is "four billion, two hundred seventy-eight million, seven thousand, six hundred sixty".