4042400431 has 8 divisors (see below), whose sum is σ = 4067658000. Its totient is φ = 4017216000.

The previous prime is 4042400429. The next prime is 4042400441. The reversal of 4042400431 is 1340042404.

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 4042400431 - 2¹ = 4042400429 is a prime.

It is a super-2 number, since 2×4042400431² = 32682002489097971522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94765 + ... + 130633.

It is an arithmetic number, because the mean of its divisors is an integer number (508457250).

Almost surely, 2^4042400431 is an apocalyptic number.

4042400431 is a deficient number, since it is larger than the sum of its proper divisors (25257569).

4042400431 is a wasteful number, since it uses less digits than its factorization.

4042400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36569.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4042400431 is about 63579.8744179320. The cubic root of 4042400431 is about 1592.9902236996.

Adding to 4042400431 its reverse (1340042404), we get a palindrome (5382442835).

The spelling of 4042400431 in words is "four billion, forty-two million, four hundred thousand, four hundred thirty-one".