3405403044 has 18 divisors (see below), whose sum is σ = 8608102230. Its totient is φ = 1135134336.

The previous prime is 3405403031. The next prime is 3405403049. The reversal of 3405403044 is 4403045043.

It can be written as a sum of positive squares in only one way, i.e., 2601000000 + 804403044 = 51000^2 + 28362^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 3405402999 and 3405403017.

It is not an unprimeable number, because it can be changed into a prime (3405403049) 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 5 ways as a sum of consecutive naturals, for example, 47297229 + ... + 47297300.

Almost surely, 2^3405403044 is an apocalyptic number.

It is an amenable number.

3405403044 is an abundant number, since it is smaller than the sum of its proper divisors (5202699186).

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

3405403044 is a wasteful number, since it uses less digits than its factorization.

3405403044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94594539 (or 94594534 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 3405403044 is about 58355.8312767456. The cubic root of 3405403044 is about 1504.4906970105.

Adding to 3405403044 its reverse (4403045043), we get a palindrome (7808448087).

The spelling of 3405403044 in words is "three billion, four hundred five million, four hundred three thousand, forty-four".