201340213404 has 96 divisors (see below), whose sum is σ = 520511712000. Its totient is φ = 60059957760.

The previous prime is 201340213387. The next prime is 201340213483. The reversal of 201340213404 is 404312043102.

It is a super-2 number, since 2×201340213404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14222922 + ... + 14237070.

It is an arithmetic number, because the mean of its divisors is an integer number (5421997000).

Almost surely, 2^201340213404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201340213404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260255856000).

201340213404 is an abundant number, since it is smaller than the sum of its proper divisors (319171498596).

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

201340213404 is a wasteful number, since it uses less digits than its factorization.

201340213404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843 (or 15841 counting only the distinct ones).

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

Adding to 201340213404 its reverse (404312043102), we get a palindrome (605652256506).

The spelling of 201340213404 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, four hundred four".