344979351728 has 40 divisors (see below), whose sum is σ = 732066019776. Its totient is φ = 156184040000.

The previous prime is 344979351713. The next prime is 344979351751. The reversal of 344979351728 is 827153979443.

It is a happy number.

It is a super-2 number, since 2×344979351728² (a number of 24 digits) contains 22 as substring.

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, 3860426 + ... + 3948777.

Almost surely, 2^344979351728 is an apocalyptic number.

It is an amenable number.

344979351728 is an abundant number, since it is smaller than the sum of its proper divisors (387086668048).

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

344979351728 is a wasteful number, since it uses less digits than its factorization.

344979351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809473 (or 7809467 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 344979351728 in words is "three hundred forty-four billion, nine hundred seventy-nine million, three hundred fifty-one thousand, seven hundred twenty-eight".