402068241 has 12 divisors (see below), whose sum is σ = 614928132. Its totient is φ = 252278016.

The previous prime is 402068237. The next prime is 402068257. The reversal of 402068241 is 142860204.

It can be written as a sum of positive squares in 2 ways, for example, as 376515216 + 25553025 = 19404^2 + 5055^2 .

It is not a de Polignac number, because 402068241 - 2² = 402068237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402068231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1313796 + ... + 1314101.

It is an arithmetic number, because the mean of its divisors is an integer number (51244011).

Almost surely, 2^402068241 is an apocalyptic number.

It is an amenable number.

402068241 is a deficient number, since it is larger than the sum of its proper divisors (212859891).

402068241 is a wasteful number, since it uses less digits than its factorization.

402068241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627920 (or 2627917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 402068241 is about 20051.6393594140. The cubic root of 402068241 is about 738.0740280908.

The spelling of 402068241 in words is "four hundred two million, sixty-eight thousand, two hundred forty-one".