4278836652 has 24 divisors (see below), whose sum is σ = 9986770416. Its totient is φ = 1425876288.

The previous prime is 4278836633. The next prime is 4278836657. The reversal of 4278836652 is 2566388724.

It is a junction number, because it is equal to n+sod(n) for n = 4278836595 and 4278836604.

It is not an unprimeable number, because it can be changed into a prime (4278836657) 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, 4363 + ... + 92610.

It is an arithmetic number, because the mean of its divisors is an integer number (416115434).

Almost surely, 2^4278836652 is an apocalyptic number.

It is an amenable number.

4278836652 is an abundant number, since it is smaller than the sum of its proper divisors (5707933764).

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

4278836652 is a wasteful number, since it uses less digits than its factorization.

4278836652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100657 (or 100655 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 4278836652 is about 65412.8171844020. The cubic root of 4278836652 is about 1623.4611580561.

The spelling of 4278836652 in words is "four billion, two hundred seventy-eight million, eight hundred thirty-six thousand, six hundred fifty-two".