343440033985 has 8 divisors (see below), whose sum is σ = 412139831976. Its totient is φ = 274744166400.

The previous prime is 343440033983. The next prime is 343440034027. The reversal of 343440033985 is 589330044343.

It can be written as a sum of positive squares in 4 ways, for example, as 6826560129 + 336613473856 = 82623^2 + 580184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343440033985 - 2¹ = 343440033983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343440033983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786816 + ... + 1142785.

It is an arithmetic number, because the mean of its divisors is an integer number (51517478997).

Almost surely, 2^343440033985 is an apocalyptic number.

It is an amenable number.

343440033985 is a deficient number, since it is larger than the sum of its proper divisors (68699797991).

343440033985 is a wasteful number, since it uses less digits than its factorization.

343440033985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965203.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 343440033985 in words is "three hundred forty-three billion, four hundred forty million, thirty-three thousand, nine hundred eighty-five".