345905021076 has 24 divisors (see below), whose sum is σ = 820343057184. Its totient is φ = 113411482080.

The previous prime is 345905021039. The next prime is 345905021081. The reversal of 345905021076 is 670120509543.

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, 236273190 + ... + 236274653.

It is an arithmetic number, because the mean of its divisors is an integer number (34180960716).

Almost surely, 2^345905021076 is an apocalyptic number.

It is an amenable number.

345905021076 is an abundant number, since it is smaller than the sum of its proper divisors (474438036108).

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

345905021076 is a wasteful number, since it uses less digits than its factorization.

345905021076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472547911 (or 472547909 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 345905021076 in words is "three hundred forty-five billion, nine hundred five million, twenty-one thousand, seventy-six".