354021045420406 has 72 divisors (see below), whose sum is σ = 702104202616320. Its totient is φ = 132681108811104.

The previous prime is 354021045420377. The next prime is 354021045420421. The reversal of 354021045420406 is 604024540120453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 384417526 + ... + 385337353.

It is an arithmetic number, because the mean of its divisors is an integer number (9751447258560).

Almost surely, 2^{354021045420406} is an apocalyptic number.

354021045420406 is a deficient number, since it is larger than the sum of its proper divisors (348083157195914).

354021045420406 is a wasteful number, since it uses less digits than its factorization.

354021045420406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769754946 (or 769754920 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 354021045420406 its reverse (604024540120453), we get a palindrome (958045585540859).

The spelling of 354021045420406 in words is "three hundred fifty-four trillion, twenty-one billion, forty-five million, four hundred twenty thousand, four hundred six".