4432320431 has 40 divisors (see below), whose sum is σ = 5671419984. Its totient is φ = 3435048960.

The previous prime is 4432320421. The next prime is 4432320439. The reversal of 4432320431 is 1340232344.

It is not a de Polignac number, because 4432320431 - 2¹⁴ = 4432304047 is a prime.

It is a super-2 number, since 2×4432320431² = 39290928806120051522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4432320431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4432320439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6787301 + ... + 6787953.

Almost surely, 2^4432320431 is an apocalyptic number.

4432320431 is a deficient number, since it is larger than the sum of its proper divisors (1239099553).

4432320431 is an equidigital number, since it uses as much as digits as its factorization.

4432320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4432320431 is about 66575.6744689830. The cubic root of 4432320431 is about 1642.6450019831.

Adding to 4432320431 its reverse (1340232344), we get a palindrome (5772552775).

The spelling of 4432320431 in words is "four billion, four hundred thirty-two million, three hundred twenty thousand, four hundred thirty-one".