4278274100 has 18 divisors (see below), whose sum is σ = 9283855014. Its totient is φ = 1711309600.

The previous prime is 4278274087. The next prime is 4278274103. The reversal of 4278274100 is 14728724.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 249071524 + 4029202576 = 15782^2 + 63476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278274103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21391271 + ... + 21391470.

It is an arithmetic number, because the mean of its divisors is an integer number (515769723).

Almost surely, 2^4278274100 is an apocalyptic number.

It is an amenable number.

4278274100 is an abundant number, since it is smaller than the sum of its proper divisors (5005580914).

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

4278274100 is a wasteful number, since it uses less digits than its factorization.

4278274100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782755 (or 42782748 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 4278274100 is about 65408.5170295123. The cubic root of 4278274100 is about 1623.3900077706.

The spelling of 4278274100 in words is "four billion, two hundred seventy-eight million, two hundred seventy-four thousand, one hundred".