3240323156 has 72 divisors (see below), whose sum is σ = 6983776800. Its totient is φ = 1308000960.

The previous prime is 3240323153. The next prime is 3240323161. The reversal of 3240323156 is 6513230423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240323153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664166 + ... + 669026.

It is an arithmetic number, because the mean of its divisors is an integer number (96996900).

Almost surely, 2^3240323156 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 3240323156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491888400).

3240323156 is an abundant number, since it is smaller than the sum of its proper divisors (3743453644).

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

3240323156 is a wasteful number, since it uses less digits than its factorization.

3240323156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5068 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 3240323156 is about 56923.8364483632. The cubic root of 3240323156 is about 1479.7764387177.

Adding to 3240323156 its reverse (6513230423), we get a palindrome (9753553579).

The spelling of 3240323156 in words is "three billion, two hundred forty million, three hundred twenty-three thousand, one hundred fifty-six".