4278940900 has 36 divisors (see below), whose sum is σ = 9999558772. Its totient is φ = 1579916160.

The previous prime is 4278940891. The next prime is 4278940903. The reversal of 4278940900 is 90498724.

It can be written as a sum of positive squares in 6 ways, for example, as 4919524 + 4274021376 = 2218^2 + 65376^2 .

It is not an unprimeable number, because it can be changed into a prime (4278940903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1644447 + ... + 1647046.

Almost surely, 2^4278940900 is an apocalyptic number.

It is an amenable number.

4278940900 is an abundant number, since it is smaller than the sum of its proper divisors (5720617872).

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

4278940900 is a wasteful number, since it uses less digits than its factorization.

4278940900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291520 (or 3291513 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4278940900 is about 65413.6140264395. The cubic root of 4278940900 is about 1623.4743424189.

The spelling of 4278940900 in words is "four billion, two hundred seventy-eight million, nine hundred forty thousand, nine hundred".