344443032342040 has 16 divisors (see below), whose sum is σ = 774996822769680. Its totient is φ = 137777212936800.

The previous prime is 344443032341971. The next prime is 344443032342121. The reversal of 344443032342040 is 40243230344443.

It is a super-2 number, since 2×344443032342040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8611075808551 = 344443032342040 / (3 + 4 + 4 + 4 + 4 + 3 + 0 + 3 + 2 + 3 + 4 + 2 + 0 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 344443032341984 and 344443032342002.

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, 4305537904236 + ... + 4305537904315.

It is an arithmetic number, because the mean of its divisors is an integer number (48437301423105).

Almost surely, 2^{344443032342040} is an apocalyptic number.

It is an amenable number.

344443032342040 is an abundant number, since it is smaller than the sum of its proper divisors (430553790427640).

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

344443032342040 is a wasteful number, since it uses less digits than its factorization.

344443032342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611075808562 (or 8611075808558 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 344443032342040 its reverse (40243230344443), we get a palindrome (384686262686483).

The spelling of 344443032342040 in words is "three hundred forty-four trillion, four hundred forty-three billion, thirty-two million, three hundred forty-two thousand, forty".