4278361428 has 36 divisors (see below), whose sum is σ = 11797906848. Its totient is φ = 1296473040.

The previous prime is 4278361391. The next prime is 4278361433. The reversal of 4278361428 is 8241638724.

It is a happy number.

4278361428 is a `hidden beast` number, since 4 + 2 + 7 + 8 + 3 + 614 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5401576 + ... + 5402367.

Almost surely, 2^4278361428 is an apocalyptic number.

It is an amenable number.

4278361428 is an abundant number, since it is smaller than the sum of its proper divisors (7519545420).

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

4278361428 is a wasteful number, since it uses less digits than its factorization.

4278361428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10803964 (or 10803959 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 4278361428 is about 65409.1845844297. The cubic root of 4278361428 is about 1623.4010532245.

The spelling of 4278361428 in words is "four billion, two hundred seventy-eight million, three hundred sixty-one thousand, four hundred twenty-eight".