350211440 has 80 divisors (see below), whose sum is σ = 833250240. Its totient is φ = 136857600.

The previous prime is 350211437. The next prime is 350211443. The reversal of 350211440 is 44112053.

It is an interprime number because it is at equal distance from previous prime (350211437) and next prime (350211443).

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 (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350211443) 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, 718877 + ... + 719363.

It is an arithmetic number, because the mean of its divisors is an integer number (10415628).

Almost surely, 2^350211440 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 350211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416625120).

350211440 is an abundant number, since it is smaller than the sum of its proper divisors (483038800).

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

350211440 is a wasteful number, since it uses less digits than its factorization.

350211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 350211440 is about 18713.9370523682. The cubic root of 350211440 is about 704.8717571003.

Adding to 350211440 its reverse (44112053), we get a palindrome (394323493).

The spelling of 350211440 in words is "three hundred fifty million, two hundred eleven thousand, four hundred forty".