350540240 has 80 divisors (see below), whose sum is σ = 865123200. Its totient is φ = 131805696.

The previous prime is 350540237. The next prime is 350540243. The reversal of 350540240 is 42045053.

It is an interprime number because it is at equal distance from previous prime (350540237) and next prime (350540243).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350540243) by changing a digit.

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, 106946 + ... + 110174.

It is an arithmetic number, because the mean of its divisors is an integer number (10814040).

Almost surely, 2^350540240 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 350540240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432561600).

350540240 is an abundant number, since it is smaller than the sum of its proper divisors (514582960).

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

350540240 is a wasteful number, since it uses less digits than its factorization.

350540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 350540240 is about 18722.7198878795. The cubic root of 350540240 is about 705.0922803941.

Adding to 350540240 its reverse (42045053), we get a palindrome (392585293).

The spelling of 350540240 in words is "three hundred fifty million, five hundred forty thousand, two hundred forty".