340021320402044 has 12 divisors (see below), whose sum is σ = 595051216018224. Its totient is φ = 170006687253984.

The previous prime is 340021320402031. The next prime is 340021320402061. The reversal of 340021320402044 is 440204023120043.

It is a super-3 number, since 3×340021320402044³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 340021320401998 and 340021320402016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993044192 + ... + 993386535.

It is an arithmetic number, because the mean of its divisors is an integer number (49587601334852).

Almost surely, 2^{340021320402044} is an apocalyptic number.

It is an amenable number.

340021320402044 is a deficient number, since it is larger than the sum of its proper divisors (255029895616180).

340021320402044 is a wasteful number, since it uses less digits than its factorization.

340021320402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986473524 (or 1986473522 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 340021320402044 its reverse (440204023120043), we get a palindrome (780225343522087).

The spelling of 340021320402044 in words is "three hundred forty trillion, twenty-one billion, three hundred twenty million, four hundred two thousand, forty-four".