402440200027 has 2 divisors, whose sum is σ = 402440200028. Its totient is φ = 402440200026.

The previous prime is 402440200003. The next prime is 402440200067. The reversal of 402440200027 is 720002044204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402440200027 is a prime.

It is a super-2 number, since 2×402440200027² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402440199974 and 402440200010.

It is not a weakly prime, because it can be changed into another prime (402440200067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201220100013 + 201220100014.

It is an arithmetic number, because the mean of its divisors is an integer number (201220100014).

Almost surely, 2^402440200027 is an apocalyptic number.

402440200027 is a deficient number, since it is larger than the sum of its proper divisors (1).

402440200027 is an equidigital number, since it uses as much as digits as its factorization.

402440200027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 25.

The spelling of 402440200027 in words is "four hundred two billion, four hundred forty million, two hundred thousand, twenty-seven".