345544144023340 has 48 divisors (see below), whose sum is σ = 768331526380992. Its totient is φ = 130086536841216.

The previous prime is 345544144023317. The next prime is 345544144023383. The reversal of 345544144023340 is 43320441445543.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66110464 + ... + 71145496.

It is an arithmetic number, because the mean of its divisors is an integer number (16006906799604).

Almost surely, 2^{345544144023340} is an apocalyptic number.

It is an amenable number.

345544144023340 is an abundant number, since it is smaller than the sum of its proper divisors (422787382357652).

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

345544144023340 is a wasteful number, since it uses less digits than its factorization.

345544144023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236906 (or 5236904 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 345544144023340 its reverse (43320441445543), we get a palindrome (388864585468883).

The spelling of 345544144023340 in words is "three hundred forty-five trillion, five hundred forty-four billion, one hundred forty-four million, twenty-three thousand, three hundred forty".