43401344312 has 16 divisors (see below), whose sum is σ = 81726783840. Its totient is φ = 21607535296.

The previous prime is 43401344297. The next prime is 43401344341. The reversal of 43401344312 is 21344310434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11640128 + ... + 11643855.

It is an arithmetic number, because the mean of its divisors is an integer number (5107923990).

Almost surely, 2^43401344312 is an apocalyptic number.

It is an amenable number.

43401344312 is a deficient number, since it is larger than the sum of its proper divisors (38325439528).

43401344312 is a wasteful number, since it uses less digits than its factorization.

43401344312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23284222 (or 23284218 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43401344312 its reverse (21344310434), we get a palindrome (64745654746).

The spelling of 43401344312 in words is "forty-three billion, four hundred one million, three hundred forty-four thousand, three hundred twelve".