345533344140 has 48 divisors (see below), whose sum is σ = 991090769760. Its totient is φ = 89894853120.

The previous prime is 345533344133. The next prime is 345533344141. The reversal of 345533344140 is 41443335543.

It is not an unprimeable number, because it can be changed into a prime (345533344141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70227895 + ... + 70232814.

It is an arithmetic number, because the mean of its divisors is an integer number (20647724370).

Almost surely, 2^345533344140 is an apocalyptic number.

345533344140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345533344140 is an abundant number, since it is smaller than the sum of its proper divisors (645557425620).

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

345533344140 is a wasteful number, since it uses less digits than its factorization.

345533344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140460762 (or 140460760 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 345533344140 its reverse (41443335543), we get a palindrome (386976679683).

The spelling of 345533344140 in words is "three hundred forty-five billion, five hundred thirty-three million, three hundred forty-four thousand, one hundred forty".