345444403648 has 14 divisors (see below), whose sum is σ = 685491238616. Its totient is φ = 172722201792.

The previous prime is 345444403597. The next prime is 345444403651. The reversal of 345444403648 is 846304444543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2698784340 + ... + 2698784467.

Almost surely, 2^345444403648 is an apocalyptic number.

It is an amenable number.

345444403648 is a deficient number, since it is larger than the sum of its proper divisors (340046834968).

345444403648 is an equidigital number, since it uses as much as digits as its factorization.

345444403648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397568819 (or 5397568809 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 49.

The spelling of 345444403648 in words is "three hundred forty-five billion, four hundred forty-four million, four hundred three thousand, six hundred forty-eight".