345464455664540 has 24 divisors (see below), whose sum is σ = 725475930716880. Its totient is φ = 138185672966528.

The previous prime is 345464455664513. The next prime is 345464455664621. The reversal of 345464455664540 is 45466554464543.

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 in 7 ways as a sum of consecutive naturals, for example, 22068731 + ... + 34321389.

It is an arithmetic number, because the mean of its divisors is an integer number (30228163779870).

Almost surely, 2^{345464455664540} is an apocalyptic number.

It is an amenable number.

345464455664540 is an abundant number, since it is smaller than the sum of its proper divisors (380011475052340).

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

345464455664540 is a wasteful number, since it uses less digits than its factorization.

345464455664540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13662421 (or 13662419 counting only the distinct ones).

The product of its (nonzero) digits is 1658880000, while the sum is 65.

The spelling of 345464455664540 in words is "three hundred forty-five trillion, four hundred sixty-four billion, four hundred fifty-five million, six hundred sixty-four thousand, five hundred forty".