4272644040 has 128 divisors (see below), whose sum is σ = 14960885760. Its totient is φ = 955816704.

The previous prime is 4272643997. The next prime is 4272644041. The reversal of 4272644040 is 404462724.

It is a junction number, because it is equal to n+sod(n) for n = 4272643992 and 4272644010.

It is not an unprimeable number, because it can be changed into a prime (4272644041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14632 + ... + 93591.

It is an arithmetic number, because the mean of its divisors is an integer number (116881920).

Almost surely, 2^4272644040 is an apocalyptic number.

4272644040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272644040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7480442880).

4272644040 is an abundant number, since it is smaller than the sum of its proper divisors (10688241720).

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

4272644040 is a wasteful number, since it uses less digits than its factorization.

4272644040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108291 (or 108287 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 4272644040 is about 65365.4651937856. The cubic root of 4272644040 is about 1622.6775868987.

The spelling of 4272644040 in words is "four billion, two hundred seventy-two million, six hundred forty-four thousand, forty".