4278842380 has 24 divisors (see below), whose sum is σ = 8989852032. Its totient is φ = 1710721152.

The previous prime is 4278842317. The next prime is 4278842383. The reversal of 4278842380 is 832488724.

It is a super-2 number, since 2×4278842380² = 36616984225768128800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4278842380.

It is not an unprimeable number, because it can be changed into a prime (4278842383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7057 + ... + 92776.

It is an arithmetic number, because the mean of its divisors is an integer number (374577168).

Almost surely, 2^4278842380 is an apocalyptic number.

It is an amenable number.

4278842380 is an abundant number, since it is smaller than the sum of its proper divisors (4711009652).

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

4278842380 is a wasteful number, since it uses less digits than its factorization.

4278842380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101985 (or 101983 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The square root of 4278842380 is about 65412.8609678555. The cubic root of 4278842380 is about 1623.4618824883.

The spelling of 4278842380 in words is "four billion, two hundred seventy-eight million, eight hundred forty-two thousand, three hundred eighty".