4272639906 has 16 divisors (see below), whose sum is σ = 8578533024. Its totient is φ = 1418671104.

The previous prime is 4272639901. The next prime is 4272639907. The reversal of 4272639906 is 6099362724.

It is not an unprimeable number, because it can be changed into a prime (4272639901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383880 + ... + 1386963.

It is an arithmetic number, because the mean of its divisors is an integer number (536158314).

Almost surely, 2^4272639906 is an apocalyptic number.

4272639906 is an abundant number, since it is smaller than the sum of its proper divisors (4305893118).

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

4272639906 is a wasteful number, since it uses less digits than its factorization.

4272639906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771105.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 4272639906 is about 65365.4335715751. The cubic root of 4272639906 is about 1622.6770635576.

The spelling of 4272639906 in words is "four billion, two hundred seventy-two million, six hundred thirty-nine thousand, nine hundred six".