4172538920 has 64 divisors (see below), whose sum is σ = 10281816000. Its totient is φ = 1511342080.

The previous prime is 4172538919. The next prime is 4172538949. The reversal of 4172538920 is 298352714.

4172538920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 94631 + ... + 131529.

It is an arithmetic number, because the mean of its divisors is an integer number (160653375).

Almost surely, 2^4172538920 is an apocalyptic number.

4172538920 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 4172538920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5140908000).

4172538920 is an abundant number, since it is smaller than the sum of its proper divisors (6109277080).

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

4172538920 is a wasteful number, since it uses less digits than its factorization.

4172538920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37178 (or 37174 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 4172538920 is about 64595.1927003860. The cubic root of 4172538920 is about 1609.9045659261.

The spelling of 4172538920 in words is "four billion, one hundred seventy-two million, five hundred thirty-eight thousand, nine hundred twenty".