814002201340 has 24 divisors (see below), whose sum is σ = 1709570680272. Its totient is φ = 325569250560.

The previous prime is 814002201317. The next prime is 814002201343. The reversal of 814002201340 is 43102200418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814002201343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765294 + ... + 2178133.

It is an arithmetic number, because the mean of its divisors is an integer number (71232111678).

Almost surely, 2^814002201340 is an apocalyptic number.

It is an amenable number.

814002201340 is an abundant number, since it is smaller than the sum of its proper divisors (895568478932).

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

814002201340 is a wasteful number, since it uses less digits than its factorization.

814002201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953757 (or 3953755 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 814002201340 its reverse (43102200418), we get a palindrome (857104401758).

The spelling of 814002201340 in words is "eight hundred fourteen billion, two million, two hundred one thousand, three hundred forty".