3205201440 has 96 divisors (see below), whose sum is σ = 11538737280. Its totient is φ = 732616704.

The previous prime is 3205201339. The next prime is 3205201451. The reversal of 3205201440 is 441025023.

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

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 473605 + ... + 480324.

It is an arithmetic number, because the mean of its divisors is an integer number (120195180).

Almost surely, 2^3205201440 is an apocalyptic number.

3205201440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3205201440 is an abundant number, since it is smaller than the sum of its proper divisors (8333535840).

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

3205201440 is a wasteful number, since it uses less digits than its factorization.

3205201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953954 (or 953946 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3205201440 is about 56614.4984964099. The cubic root of 3205201440 is about 1474.4105951115.

Adding to 3205201440 its reverse (441025023), we get a palindrome (3646226463).

The spelling of 3205201440 in words is "three billion, two hundred five million, two hundred one thousand, four hundred forty".