402440200001 has 16 divisors (see below), whose sum is σ = 474314849280. Its totient is φ = 334326042960.

The previous prime is 402440199971. The next prime is 402440200003. The reversal of 402440200001 is 100002044204.

It is a de Polignac number, because none of the positive numbers 2^k-402440200001 is a prime.

It is a super-2 number, since 2×402440200001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402440200003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6832871 + ... + 6891516.

It is an arithmetic number, because the mean of its divisors is an integer number (29644678080).

Almost surely, 2^402440200001 is an apocalyptic number.

It is an amenable number.

402440200001 is a deficient number, since it is larger than the sum of its proper divisors (71874649279).

402440200001 is a wasteful number, since it uses less digits than its factorization.

402440200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724524.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 402440200001 its reverse (100002044204), we get a palindrome (502442244205).

The spelling of 402440200001 in words is "four hundred two billion, four hundred forty million, two hundred thousand, one".