4278205140 has 48 divisors (see below), whose sum is σ = 13067974080. Its totient is φ = 1037140480.

The previous prime is 4278205133. The next prime is 4278205157. The reversal of 4278205140 is 415028724.

4278205140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3240405 + ... + 3241724.

It is an arithmetic number, because the mean of its divisors is an integer number (272249460).

Almost surely, 2^4278205140 is an apocalyptic number.

It is an amenable number.

4278205140 is an abundant number, since it is smaller than the sum of its proper divisors (8789768940).

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

4278205140 is a wasteful number, since it uses less digits than its factorization.

4278205140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482152 (or 6482150 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 4278205140 is about 65407.9898789131. The cubic root of 4278205140 is about 1623.3812854390.

The spelling of 4278205140 in words is "four billion, two hundred seventy-eight million, two hundred five thousand, one hundred forty".