4321540992 has 32 divisors (see below), whose sum is σ = 11479094280. Its totient is φ = 1440513536.

The previous prime is 4321540991. The next prime is 4321541017. The reversal of 4321540992 is 2990451234.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 4321540992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321540991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5626623 + ... + 5627390.

Almost surely, 2^4321540992 is an apocalyptic number.

It is an amenable number.

4321540992 is an abundant number, since it is smaller than the sum of its proper divisors (7157553288).

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

4321540992 is a wasteful number, since it uses less digits than its factorization.

4321540992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254030 (or 11254018 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 4321540992 is about 65738.4285787240. The cubic root of 4321540992 is about 1628.8441995203.

The spelling of 4321540992 in words is "four billion, three hundred twenty-one million, five hundred forty thousand, nine hundred ninety-two".