2040142431 has 16 divisors (see below), whose sum is σ = 2822140800. Its totient is φ = 1309391328.

The previous prime is 2040142421. The next prime is 2040142453. The reversal of 2040142431 is 1342410402.

It is not a de Polignac number, because 2040142431 - 2¹⁸ = 2039880287 is a prime.

It is a super-2 number, since 2×2040142431² = 8324362277533179522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040142398 and 2040142407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040142421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3601 + ... + 63978.

It is an arithmetic number, because the mean of its divisors is an integer number (176383800).

Almost surely, 2^2040142431 is an apocalyptic number.

2040142431 is a deficient number, since it is larger than the sum of its proper divisors (781998369).

2040142431 is a wasteful number, since it uses less digits than its factorization.

2040142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67958.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2040142431 is about 45167.9358726962. The cubic root of 2040142431 is about 1268.2946567745.

Adding to 2040142431 its reverse (1342410402), we get a palindrome (3382552833).

The spelling of 2040142431 in words is "two billion, forty million, one hundred forty-two thousand, four hundred thirty-one".