3405242320 has 40 divisors (see below), whose sum is σ = 8333886240. Its totient is φ = 1290407040.

The previous prime is 3405242317. The next prime is 3405242353. The reversal of 3405242320 is 232425043.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118626 + ... + 1121665.

It is an arithmetic number, because the mean of its divisors is an integer number (208347156).

Almost surely, 2^3405242320 is an apocalyptic number.

It is an amenable number.

3405242320 is an abundant number, since it is smaller than the sum of its proper divisors (4928643920).

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

3405242320 is a wasteful number, since it uses less digits than its factorization.

3405242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240323 (or 2240317 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3405242320 is about 58354.4541573306. The cubic root of 3405242320 is about 1504.4670276079.

Adding to 3405242320 its reverse (232425043), we get a palindrome (3637667363).

The spelling of 3405242320 in words is "three billion, four hundred five million, two hundred forty-two thousand, three hundred twenty".