402335232849 has 36 divisors (see below), whose sum is σ = 672406025200. Its totient is φ = 231005863440.

The previous prime is 402335232847. The next prime is 402335232913. The reversal of 402335232849 is 948232533204.

402335232849 is a `hidden beast` number, since 4 + 0 + 2 + 335 + 232 + 84 + 9 = 666.

It is not a de Polignac number, because 402335232849 - 2¹ = 402335232847 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402335232847) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9701779 + ... + 9743160.

Almost surely, 2^402335232849 is an apocalyptic number.

It is an amenable number.

402335232849 is a deficient number, since it is larger than the sum of its proper divisors (270070792351).

402335232849 is a wasteful number, since it uses less digits than its factorization.

402335232849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444986 (or 19444972 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 402335232849 in words is "four hundred two billion, three hundred thirty-five million, two hundred thirty-two thousand, eight hundred forty-nine".