402441420037 has 2 divisors, whose sum is σ = 402441420038. Its totient is φ = 402441420036.

The previous prime is 402441420001. The next prime is 402441420061. The reversal of 402441420037 is 730024144204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290908130881 + 111533289156 = 539359^2 + 333966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402441420037 is a prime.

It is a super-2 number, since 2×402441420037² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402441419990 and 402441420008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402441420097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201220710018 + 201220710019.

It is an arithmetic number, because the mean of its divisors is an integer number (201220710019).

Almost surely, 2^402441420037 is an apocalyptic number.

It is an amenable number.

402441420037 is a deficient number, since it is larger than the sum of its proper divisors (1).

402441420037 is an equidigital number, since it uses as much as digits as its factorization.

402441420037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 402441420037 in words is "four hundred two billion, four hundred forty-one million, four hundred twenty thousand, thirty-seven".