12440343358 has 8 divisors (see below), whose sum is σ = 18772255152. Its totient is φ = 6182924976.

The previous prime is 12440343341. The next prime is 12440343361. The reversal of 12440343358 is 85334304421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18622935 + ... + 18623602.

It is an arithmetic number, because the mean of its divisors is an integer number (2346531894).

Almost surely, 2^12440343358 is an apocalyptic number.

12440343358 is a deficient number, since it is larger than the sum of its proper divisors (6331911794).

12440343358 is a wasteful number, since it uses less digits than its factorization.

12440343358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37246706.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 12440343358 its reverse (85334304421), we get a palindrome (97774647779).

It can be divided in two parts, 124403 and 43358, that added together give a palindrome (167761).

The spelling of 12440343358 in words is "twelve billion, four hundred forty million, three hundred forty-three thousand, three hundred fifty-eight".