2040452431 has 8 divisors (see below), whose sum is σ = 2101001760. Its totient is φ = 1980187488.

The previous prime is 2040452363. The next prime is 2040452467. The reversal of 2040452431 is 1342540402.

It is a happy number.

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 2040452431 - 2⁷ = 2040452303 is a prime.

It is a super-2 number, since 2×2040452431² = 8326892246347619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040452396 and 2040452405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040452131) 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, 56491 + ... + 85276.

It is an arithmetic number, because the mean of its divisors is an integer number (262625220).

Almost surely, 2^2040452431 is an apocalyptic number.

2040452431 is a deficient number, since it is larger than the sum of its proper divisors (60549329).

2040452431 is a wasteful number, since it uses less digits than its factorization.

2040452431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142193.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2040452431 is about 45171.3673802332. The cubic root of 2040452431 is about 1268.3588927195.

Adding to 2040452431 its reverse (1342540402), we get a palindrome (3382992833).

The spelling of 2040452431 in words is "two billion, forty million, four hundred fifty-two thousand, four hundred thirty-one".