354243044115220 has 96 divisors (see below), whose sum is σ = 813112704448128. Its totient is φ = 128841870592512.

The previous prime is 354243044115209. The next prime is 354243044115269. The reversal of 354243044115220 is 22511440342453.

It is a super-3 number, since 3×354243044115220³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724479862 + ... + 724968658.

It is an arithmetic number, because the mean of its divisors is an integer number (8469924004668).

Almost surely, 2^{354243044115220} is an apocalyptic number.

It is an amenable number.

354243044115220 is an abundant number, since it is smaller than the sum of its proper divisors (458869660332908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354243044115220 is a wasteful number, since it uses less digits than its factorization.

354243044115220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530489 (or 530487 counting only the distinct ones).

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

Adding to 354243044115220 its reverse (22511440342453), we get a palindrome (376754484457673).

The spelling of 354243044115220 in words is "three hundred fifty-four trillion, two hundred forty-three billion, forty-four million, one hundred fifteen thousand, two hundred twenty".