402240042419 has 2 divisors, whose sum is σ = 402240042420. Its totient is φ = 402240042418.

The previous prime is 402240042401. The next prime is 402240042427. The reversal of 402240042419 is 914240042204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402240042419 is a prime.

It is a super-2 number, since 2×402240042419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402240042119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201120021209 + 201120021210.

It is an arithmetic number, because the mean of its divisors is an integer number (201120021210).

Almost surely, 2^402240042419 is an apocalyptic number.

402240042419 is a deficient number, since it is larger than the sum of its proper divisors (1).

402240042419 is an equidigital number, since it uses as much as digits as its factorization.

402240042419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 402240042419 in words is "four hundred two billion, two hundred forty million, forty-two thousand, four hundred nineteen".