354220404044 has 24 divisors (see below), whose sum is σ = 670050919440. Its totient is φ = 162878577984.

The previous prime is 354220404029. The next prime is 354220404061. The reversal of 354220404044 is 440404022453.

It is a super-3 number, since 3×354220404044³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 354220404044.

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, 12647594 + ... + 12675569.

It is an arithmetic number, because the mean of its divisors is an integer number (27918788310).

Almost surely, 2^354220404044 is an apocalyptic number.

It is an amenable number.

354220404044 is a deficient number, since it is larger than the sum of its proper divisors (315830515396).

354220404044 is a wasteful number, since it uses less digits than its factorization.

354220404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25323449 (or 25323447 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 354220404044 its reverse (440404022453), we get a palindrome (794624426497).

The spelling of 354220404044 in words is "three hundred fifty-four billion, two hundred twenty million, four hundred four thousand, forty-four".