2321540032 has 42 divisors (see below), whose sum is σ = 5358944832. Its totient is φ = 994944384.

The previous prime is 2321539981. The next prime is 2321540041. The reversal of 2321540032 is 2300451232.

2321540032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2321540032² = 10779096240357122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321539985 and 2321540012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367008 + ... + 373279.

Almost surely, 2^2321540032 is an apocalyptic number.

It is an amenable number.

2321540032 is an abundant number, since it is smaller than the sum of its proper divisors (3037404800).

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

2321540032 is an equidigital number, since it uses as much as digits as its factorization.

2321540032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740313 (or 740296 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2321540032 is about 48182.3622501014. The cubic root of 2321540032 is about 1324.1140453601.

Adding to 2321540032 its reverse (2300451232), we get a palindrome (4621991264).

The spelling of 2321540032 in words is "two billion, three hundred twenty-one million, five hundred forty thousand, thirty-two".