42400004459 has 2 divisors, whose sum is σ = 42400004460. Its totient is φ = 42400004458.

The previous prime is 42400004411. The next prime is 42400004489. The reversal of 42400004459 is 95440000424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42400004459 - 2³² = 38105037163 is a prime.

It is not a weakly prime, because it can be changed into another prime (42400004489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200002229 + 21200002230.

It is an arithmetic number, because the mean of its divisors is an integer number (21200002230).

Almost surely, 2^42400004459 is an apocalyptic number.

42400004459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400004459 is an equidigital number, since it uses as much as digits as its factorization.

42400004459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 42400004459 in words is "forty-two billion, four hundred million, four thousand, four hundred fifty-nine".