350420840 has 96 divisors (see below), whose sum is σ = 990541440. Its totient is φ = 109211520.

The previous prime is 350420761. The next prime is 350420843. The reversal of 350420840 is 48024053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350420843) 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 23 ways as a sum of consecutive naturals, for example, 28709 + ... + 39051.

It is an arithmetic number, because the mean of its divisors is an integer number (10318140).

Almost surely, 2^350420840 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 350420840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495270720).

350420840 is an abundant number, since it is smaller than the sum of its proper divisors (640120600).

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

350420840 is a wasteful number, since it uses less digits than its factorization.

350420840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383 (or 10368 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 350420840 is about 18719.5309770304. The cubic root of 350420840 is about 705.0122158070.

Adding to 350420840 its reverse (48024053), we get a palindrome (398444893).

The spelling of 350420840 in words is "three hundred fifty million, four hundred twenty thousand, eight hundred forty".