355443420241440 has 144 divisors (see below), whose sum is σ = 1276790180702400. Its totient is φ = 89796232475136.

The previous prime is 355443420241439. The next prime is 355443420241451. The reversal of 355443420241440 is 44142024344553.

355443420241440 is a `hidden beast` number, since 3 + 5 + 5 + 4 + 434 + 202 + 4 + 1 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6495649180 + ... + 6495703899.

It is an arithmetic number, because the mean of its divisors is an integer number (8866598477100).

Almost surely, 2^{355443420241440} is an apocalyptic number.

355443420241440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355443420241440 is an abundant number, since it is smaller than the sum of its proper divisors (921346760460960).

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

355443420241440 is a wasteful number, since it uses less digits than its factorization.

355443420241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991353119 (or 12991353108 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

Adding to 355443420241440 its reverse (44142024344553), we get a palindrome (399585444585993).

The spelling of 355443420241440 in words is "three hundred fifty-five trillion, four hundred forty-three billion, four hundred twenty million, two hundred forty-one thousand, four hundred forty".