201002444203400 has 96 divisors (see below), whose sum is σ = 534102298390080. Its totient is φ = 68913821856000.

The previous prime is 201002444203399. The next prime is 201002444203417. The reversal of 201002444203400 is 4302444200102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201002444203400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74286290 + ... + 76944510.

It is an arithmetic number, because the mean of its divisors is an integer number (5563565608230).

Almost surely, 2^{201002444203400} is an apocalyptic number.

201002444203400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002444203400 is an abundant number, since it is smaller than the sum of its proper divisors (333099854186680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201002444203400 is a wasteful number, since it uses less digits than its factorization.

201002444203400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712255 (or 2712246 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 201002444203400 its reverse (4302444200102), we get a palindrome (205304888403502).

The spelling of 201002444203400 in words is "two hundred one trillion, two billion, four hundred forty-four million, two hundred three thousand, four hundred".