344627666540 has 12 divisors (see below), whose sum is σ = 723718099776. Its totient is φ = 137851066608.

The previous prime is 344627666527. The next prime is 344627666629. The reversal of 344627666540 is 45666726443.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615691644 + ... + 8615691683.

It is an arithmetic number, because the mean of its divisors is an integer number (60309841648).

Almost surely, 2^344627666540 is an apocalyptic number.

It is an amenable number.

344627666540 is an abundant number, since it is smaller than the sum of its proper divisors (379090433236).

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

344627666540 is a wasteful number, since it uses less digits than its factorization.

344627666540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231383336 (or 17231383334 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 344627666540 in words is "three hundred forty-four billion, six hundred twenty-seven million, six hundred sixty-six thousand, five hundred forty".