40343201340 has 96 divisors (see below), whose sum is σ = 121856809536. Its totient is φ = 9913774080.

The previous prime is 40343201323. The next prime is 40343201357. The reversal of 40343201340 is 4310234304.

It is an interprime number because it is at equal distance from previous prime (40343201323) and next prime (40343201357).

It is a self number, because there is not a number n which added to its sum of digits gives 40343201340.

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, 418930 + ... + 506150.

It is an arithmetic number, because the mean of its divisors is an integer number (1269341766).

Almost surely, 2^40343201340 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 40343201340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60928404768).

40343201340 is an abundant number, since it is smaller than the sum of its proper divisors (81513608196).

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

40343201340 is a wasteful number, since it uses less digits than its factorization.

40343201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87839 (or 87837 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40343201340 its reverse (4310234304), we get a palindrome (44653435644).

The spelling of 40343201340 in words is "forty billion, three hundred forty-three million, two hundred one thousand, three hundred forty".