345326727623544 has 240 divisors, whose sum is σ = 1058232936895200. Its totient is φ = 104843026045440.

The previous prime is 345326727623509. The next prime is 345326727623557. The reversal of 345326727623544 is 445326727623543.

345326727623544 is a `hidden beast` number, since 3 + 4 + 5 + 3 + 2 + 6 + 7 + 27 + 62 + 3 + 544 = 666.

It is a super-2 number, since 2×345326727623544² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5723584 + ... + 26896335.

It is an arithmetic number, because the mean of its divisors is an integer number (4409303903730).

Almost surely, 2^{345326727623544} is an apocalyptic number.

345326727623544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

345326727623544 is an abundant number, since it is smaller than the sum of its proper divisors (712906209271656).

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

345326727623544 is a wasteful number, since it uses less digits than its factorization.

345326727623544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32620016 (or 32619972 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 63.

Subtracting 345326727623544 from its reverse (445326727623543), we obtain a palindrome (99999999999999).

The spelling of 345326727623544 in words is "three hundred forty-five trillion, three hundred twenty-six billion, seven hundred twenty-seven million, six hundred twenty-three thousand, five hundred forty-four".