354021045420404 has 24 divisors (see below), whose sum is σ = 640984024568160. Its totient is φ = 170884349946464.

The previous prime is 354021045420377. The next prime is 354021045420421. The reversal of 354021045420404 is 404024540120453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198767054 + ... + 200540229.

It is an arithmetic number, because the mean of its divisors is an integer number (26707667690340).

Almost surely, 2^{354021045420404} is an apocalyptic number.

It is an amenable number.

354021045420404 is a deficient number, since it is larger than the sum of its proper divisors (286962979147756).

354021045420404 is a wasteful number, since it uses less digits than its factorization.

354021045420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399314959 (or 399314957 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 354021045420404 its reverse (404024540120453), we get a palindrome (758045585540857).

The spelling of 354021045420404 in words is "three hundred fifty-four trillion, twenty-one billion, forty-five million, four hundred twenty thousand, four hundred four".