4231555132 has 72 divisors (see below), whose sum is σ = 9088102800. Its totient is φ = 1714196736.

The previous prime is 4231555129. The next prime is 4231555169. The reversal of 4231555132 is 2315551324.

4231555132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4231555094 and 4231555103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2117958 + ... + 2119954.

It is an arithmetic number, because the mean of its divisors is an integer number (126223650).

Almost surely, 2^4231555132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231555132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4544051400).

4231555132 is an abundant number, since it is smaller than the sum of its proper divisors (4856547668).

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

4231555132 is a wasteful number, since it uses less digits than its factorization.

4231555132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2594 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 4231555132 is about 65050.4045490879. The cubic root of 4231555132 is about 1617.4592000551.

The spelling of 4231555132 in words is "four billion, two hundred thirty-one million, five hundred fifty-five thousand, one hundred thirty-two".