2040430451 has 2 divisors, whose sum is σ = 2040430452. Its totient is φ = 2040430450.

The previous prime is 2040430439. The next prime is 2040430471. The reversal of 2040430451 is 1540340402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040430451 - 2¹⁸ = 2040168307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040430471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020215225 + 1020215226.

It is an arithmetic number, because the mean of its divisors is an integer number (1020215226).

Almost surely, 2^2040430451 is an apocalyptic number.

2040430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040430451 is an equidigital number, since it uses as much as digits as its factorization.

2040430451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2040430451 is about 45171.1240838658. The cubic root of 2040430451 is about 1268.3543383981.

Adding to 2040430451 its reverse (1540340402), we get a palindrome (3580770853).

The spelling of 2040430451 in words is "two billion, forty million, four hundred thirty thousand, four hundred fifty-one".