344555136464 has 40 divisors (see below), whose sum is σ = 832302020928. Its totient is φ = 134242260480.

The previous prime is 344555136463. The next prime is 344555136469. The reversal of 344555136464 is 464631555443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344555136463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139834457 + ... + 139836920.

Almost surely, 2^344555136464 is an apocalyptic number.

It is an amenable number.

344555136464 is an abundant number, since it is smaller than the sum of its proper divisors (487746884464).

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

344555136464 is a wasteful number, since it uses less digits than its factorization.

344555136464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279671403 (or 279671397 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 50.

The spelling of 344555136464 in words is "three hundred forty-four billion, five hundred fifty-five million, one hundred thirty-six thousand, four hundred sixty-four".