4000324431 has 8 divisors (see below), whose sum is σ = 5424168960. Its totient is φ = 2621681432.

The previous prime is 4000324423. The next prime is 4000324441. The reversal of 4000324431 is 1344230004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4000324431 - 2³ = 4000324423 is a prime.

It is a super-2 number, since 2×4000324431² = 32005191106510947522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4000324398 and 4000324407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000324441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11300175 + ... + 11300528.

It is an arithmetic number, because the mean of its divisors is an integer number (678021120).

Almost surely, 2^4000324431 is an apocalyptic number.

4000324431 is a deficient number, since it is larger than the sum of its proper divisors (1423844529).

4000324431 is a wasteful number, since it uses less digits than its factorization.

4000324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600765.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4000324431 is about 63248.1180036213. The cubic root of 4000324431 is about 1587.4439676505.

Adding to 4000324431 its reverse (1344230004), we get a palindrome (5344554435).

The spelling of 4000324431 in words is "four billion, three hundred twenty-four thousand, four hundred thirty-one".