345042213340 has 144 divisors (see below), whose sum is σ = 824308323552. Its totient is φ = 121144320000.

The previous prime is 345042213301. The next prime is 345042213401. The reversal of 345042213340 is 43312240543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9606415 + ... + 9642265.

It is an arithmetic number, because the mean of its divisors is an integer number (5724363358).

Almost surely, 2^345042213340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345042213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412154161776).

345042213340 is an abundant number, since it is smaller than the sum of its proper divisors (479266110212).

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

345042213340 is a wasteful number, since it uses less digits than its factorization.

345042213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36020 (or 36007 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 345042213340 its reverse (43312240543), we get a palindrome (388354453883).

The spelling of 345042213340 in words is "three hundred forty-five billion, forty-two million, two hundred thirteen thousand, three hundred forty".