3402343223440 has 80 divisors (see below), whose sum is σ = 9128284109568. Its totient is φ = 1155192242688.

The previous prime is 3402343223401. The next prime is 3402343223443. The reversal of 3402343223440 is 443223432043.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3402343223396 and 3402343223405.

It is not an unprimeable number, because it can be changed into a prime (3402343223443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29435587 + ... + 29550946.

Almost surely, 2^{3402343223440} is an apocalyptic number.

It is an amenable number.

3402343223440 is an abundant number, since it is smaller than the sum of its proper divisors (5725940886128).

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

3402343223440 is a wasteful number, since it uses less digits than its factorization.

3402343223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58986656 (or 58986650 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 3402343223440 its reverse (443223432043), we get a palindrome (3845566655483).

The spelling of 3402343223440 in words is "three trillion, four hundred two billion, three hundred forty-three million, two hundred twenty-three thousand, four hundred forty".