9432311252 has 72 divisors (see below), whose sum is σ = 21183117480. Its totient is φ = 3640412160.

The previous prime is 9432311249. The next prime is 9432311279. The reversal of 9432311252 is 2521132349.

It can be written as a sum of positive squares in 4 ways, for example, as 583898896 + 8848412356 = 24164^2 + 94066^2 .

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, 59324 + ... + 149612.

It is an arithmetic number, because the mean of its divisors is an integer number (294209965).

Almost surely, 2^9432311252 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 9432311252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10591558740).

9432311252 is an abundant number, since it is smaller than the sum of its proper divisors (11750806228).

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

9432311252 is a wasteful number, since it uses less digits than its factorization.

9432311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90361 (or 90352 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 9432311252 is about 97120.0867586103. The cubic root of 9432311252 is about 2112.8696645761.

The spelling of 9432311252 in words is "nine billion, four hundred thirty-two million, three hundred eleven thousand, two hundred fifty-two".