345610240 has 48 divisors (see below), whose sum is σ = 829286640. Its totient is φ = 138240000.

The previous prime is 345610219. The next prime is 345610241. The reversal of 345610240 is 42016543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345610241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6636 + ... + 27115.

It is an arithmetic number, because the mean of its divisors is an integer number (17276805).

Almost surely, 2^345610240 is an apocalyptic number.

It is an amenable number.

345610240 is an abundant number, since it is smaller than the sum of its proper divisors (483676400).

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

345610240 is an equidigital number, since it uses as much as digits as its factorization.

345610240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33778 (or 33758 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 345610240 is about 18590.5954719046. The cubic root of 345610240 is about 701.7711881076.

Adding to 345610240 its reverse (42016543), we get a palindrome (387626783).

The spelling of 345610240 in words is "three hundred forty-five million, six hundred ten thousand, two hundred forty".