200400200001 has 12 divisors (see below), whose sum is σ = 289471068900. Its totient is φ = 133598234880.

The previous prime is 200400199973. The next prime is 200400200009. The reversal of 200400200001 is 100002004002.

It can be written as a sum of positive squares in 2 ways, for example, as 159999200001 + 40401000000 = 399999^2 + 201000^2 .

It is not a de Polignac number, because 200400200001 - 2¹⁴ = 200400183617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200400200009) 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, 845461 + ... + 1056221.

It is an arithmetic number, because the mean of its divisors is an integer number (24122589075).

Almost surely, 2^200400200001 is an apocalyptic number.

It is an amenable number.

200400200001 is a deficient number, since it is larger than the sum of its proper divisors (89070868899).

200400200001 is a wasteful number, since it uses less digits than its factorization.

200400200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316416 (or 316413 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200400200001 its reverse (100002004002), we get a palindrome (300402204003).

The spelling of 200400200001 in words is "two hundred billion, four hundred million, two hundred thousand, one".