4278975252 has 24 divisors (see below), whose sum is σ = 10057157376. Its totient is φ = 1415913408.

The previous prime is 4278975251. The next prime is 4278975263. The reversal of 4278975252 is 2525798724.

It is a junction number, because it is equal to n+sod(n) for n = 4278975195 and 4278975204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278975251) 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, 1299748 + ... + 1303035.

It is an arithmetic number, because the mean of its divisors is an integer number (419048224).

Almost surely, 2^4278975252 is an apocalyptic number.

It is an amenable number.

4278975252 is an abundant number, since it is smaller than the sum of its proper divisors (5778182124).

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

4278975252 is a wasteful number, since it uses less digits than its factorization.

4278975252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602927 (or 2602925 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 4278975252 is about 65413.8766012228. The cubic root of 4278975252 is about 1623.4786869084.

The spelling of 4278975252 in words is "four billion, two hundred seventy-eight million, nine hundred seventy-five thousand, two hundred fifty-two".