345411240 has 64 divisors (see below), whose sum is σ = 1081296000. Its totient is φ = 88104192.

The previous prime is 345411239. The next prime is 345411251. The reversal of 345411240 is 42114543.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 345411240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59815 + ... + 65334.

It is an arithmetic number, because the mean of its divisors is an integer number (16895250).

Almost surely, 2^345411240 is an apocalyptic number.

345411240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345411240 is an abundant number, since it is smaller than the sum of its proper divisors (735884760).

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

345411240 is a wasteful number, since it uses less digits than its factorization.

345411240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125186 (or 125182 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 345411240 is about 18585.2425327193. The cubic root of 345411240 is about 701.6364705728.

Adding to 345411240 its reverse (42114543), we get a palindrome (387525783).

The spelling of 345411240 in words is "three hundred forty-five million, four hundred eleven thousand, two hundred forty".