201344213400 has 96 divisors (see below), whose sum is σ = 680909544000. Its totient is φ = 48810716800.

The previous prime is 201344213377. The next prime is 201344213407. The reversal of 201344213400 is 4312443102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201344213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15246750 + ... + 15259949.

It is an arithmetic number, because the mean of its divisors is an integer number (7092807750).

Almost surely, 2^201344213400 is an apocalyptic number.

201344213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201344213400 is an abundant number, since it is smaller than the sum of its proper divisors (479565330600).

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

201344213400 is a wasteful number, since it uses less digits than its factorization.

201344213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30506729 (or 30506720 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201344213400 its reverse (4312443102), we get a palindrome (205656656502).

The spelling of 201344213400 in words is "two hundred one billion, three hundred forty-four million, two hundred thirteen thousand, four hundred".