4040213431 has 16 divisors (see below), whose sum is σ = 4209458400. Its totient is φ = 3874590720.

The previous prime is 4040213423. The next prime is 4040213449. The reversal of 4040213431 is 1343120404.

It is a cyclic number.

It is not a de Polignac number, because 4040213431 - 2³ = 4040213423 is a prime.

It is a super-2 number, since 2×4040213431² = 32646649136065583522, 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 (4040213491) 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 15 ways as a sum of consecutive naturals, for example, 1583745 + ... + 1586293.

It is an arithmetic number, because the mean of its divisors is an integer number (263091150).

Almost surely, 2^4040213431 is an apocalyptic number.

4040213431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4040213431 is a deficient number, since it is larger than the sum of its proper divisors (169244969).

4040213431 is a wasteful number, since it uses less digits than its factorization.

4040213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4040213431 is about 63562.6732524679. The cubic root of 4040213431 is about 1592.7028945789.

Adding to 4040213431 its reverse (1343120404), we get a palindrome (5383333835).

The spelling of 4040213431 in words is "four billion, forty million, two hundred thirteen thousand, four hundred thirty-one".