343440104421020 has 96 divisors (see below), whose sum is σ = 728053106457600. Its totient is φ = 136079190673920.

The previous prime is 343440104420989. The next prime is 343440104421083. The reversal of 343440104421020 is 20124401044343.

It is a super-2 number, since 2×343440104421020² (a number of 30 digits) contains 22 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, 14323719272 + ... + 14323743248.

It is an arithmetic number, because the mean of its divisors is an integer number (7583886525600).

Almost surely, 2^{343440104421020} is an apocalyptic number.

It is an amenable number.

343440104421020 is an abundant number, since it is smaller than the sum of its proper divisors (384613002036580).

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

343440104421020 is a wasteful number, since it uses less digits than its factorization.

343440104421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843 (or 33841 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 343440104421020 its reverse (20124401044343), we get a palindrome (363564505465363).

The spelling of 343440104421020 in words is "three hundred forty-three trillion, four hundred forty billion, one hundred four million, four hundred twenty-one thousand, twenty".