345024040 has 64 divisors (see below), whose sum is σ = 820051200. Its totient is φ = 130284288.

The previous prime is 345024037. The next prime is 345024041. The reversal of 345024040 is 40420543.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (345024041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278302 + ... + 279538.

It is an arithmetic number, because the mean of its divisors is an integer number (12813300).

Almost surely, 2^345024040 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 345024040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410025600).

345024040 is an abundant number, since it is smaller than the sum of its proper divisors (475027160).

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

345024040 is a wasteful number, since it uses less digits than its factorization.

345024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 345024040 is about 18574.8227447801. The cubic root of 345024040 is about 701.3741984490.

Adding to 345024040 its reverse (40420543), we get a palindrome (385444583).

The spelling of 345024040 in words is "three hundred forty-five million, twenty-four thousand, forty".