350564640 has 96 divisors (see below), whose sum is σ = 1134181440. Its totient is φ = 90952704.

The previous prime is 350564623. The next prime is 350564651. The reversal of 350564640 is 46465053.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7891 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (11814390).

Almost surely, 2^350564640 is an apocalyptic number.

350564640 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 350564640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567090720).

350564640 is an abundant number, since it is smaller than the sum of its proper divisors (783616800).

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

350564640 is a wasteful number, since it uses less digits than its factorization.

350564640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19794 (or 19786 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 350564640 is about 18723.3714912673. The cubic root of 350564640 is about 705.1086397641.

The spelling of 350564640 in words is "three hundred fifty million, five hundred sixty-four thousand, six hundred forty".