2040442427 has 2 divisors, whose sum is σ = 2040442428. Its totient is φ = 2040442426.

The previous prime is 2040442423. The next prime is 2040442499. The reversal of 2040442427 is 7242440402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040442427 - 2² = 2040442423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040442427.

It is not a weakly prime, because it can be changed into another prime (2040442421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020221213 + 1020221214.

It is an arithmetic number, because the mean of its divisors is an integer number (1020221214).

Almost surely, 2^2040442427 is an apocalyptic number.

2040442427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040442427 is an equidigital number, since it uses as much as digits as its factorization.

2040442427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 2040442427 is about 45171.2566462347. The cubic root of 2040442427 is about 1268.3568198650.

Adding to 2040442427 its reverse (7242440402), we get a palindrome (9282882829).

The spelling of 2040442427 in words is "two billion, forty million, four hundred forty-two thousand, four hundred twenty-seven".