3405062320 has 80 divisors (see below), whose sum is σ = 8915143680. Its totient is φ = 1198252800.

The previous prime is 3405062299. The next prime is 3405062321. The reversal of 3405062320 is 232605043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3405062321) 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, 35130 + ... + 89689.

It is an arithmetic number, because the mean of its divisors is an integer number (111439296).

Almost surely, 2^3405062320 is an apocalyptic number.

It is an amenable number.

3405062320 is an abundant number, since it is smaller than the sum of its proper divisors (5510081360).

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

3405062320 is a wasteful number, since it uses less digits than its factorization.

3405062320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124874 (or 124868 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3405062320 is about 58352.9118382279. The cubic root of 3405062320 is about 1504.4405185951.

Adding to 3405062320 its reverse (232605043), we get a palindrome (3637667363).

The spelling of 3405062320 in words is "three billion, four hundred five million, sixty-two thousand, three hundred twenty".