344853537820 has 48 divisors (see below), whose sum is σ = 797411599488. Its totient is φ = 124229303360.

The previous prime is 344853537799. The next prime is 344853537851. The reversal of 344853537820 is 28735358443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7301302 + ... + 7348381.

It is an arithmetic number, because the mean of its divisors is an integer number (16612741656).

Almost surely, 2^344853537820 is an apocalyptic number.

It is an amenable number.

344853537820 is an abundant number, since it is smaller than the sum of its proper divisors (452558061668).

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

344853537820 is a wasteful number, since it uses less digits than its factorization.

344853537820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649810 (or 14649808 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 344853537820 in words is "three hundred forty-four billion, eight hundred fifty-three million, five hundred thirty-seven thousand, eight hundred twenty".