350225520 has 80 divisors (see below), whose sum is σ = 1091468832. Its totient is φ = 92897280.

The previous prime is 350225509. The next prime is 350225521. The reversal of 350225520 is 25522053.

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 (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350225521) 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, 42540 + ... + 50100.

Almost surely, 2^350225520 is an apocalyptic number.

350225520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350225520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545734416).

350225520 is an abundant number, since it is smaller than the sum of its proper divisors (741243312).

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

350225520 is a wasteful number, since it uses less digits than its factorization.

350225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770 (or 7764 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 350225520 is about 18714.3132388020. The cubic root of 350225520 is about 704.8812032617.

Adding to 350225520 its reverse (25522053), we get a palindrome (375747573).

The spelling of 350225520 in words is "three hundred fifty million, two hundred twenty-five thousand, five hundred twenty".