3105204040 has 16 divisors (see below), whose sum is σ = 6986709180. Its totient is φ = 1242081600.

The previous prime is 3105204031. The next prime is 3105204059. The reversal of 3105204040 is 404025013.

It can be written as a sum of positive squares in 2 ways, for example, as 3020821444 + 84382596 = 54962^2 + 9186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3105203999 and 3105204017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38815011 + ... + 38815090.

Almost surely, 2^3105204040 is an apocalyptic number.

It is an amenable number.

3105204040 is an abundant number, since it is smaller than the sum of its proper divisors (3881505140).

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

3105204040 is a wasteful number, since it uses less digits than its factorization.

3105204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77630112 (or 77630108 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3105204040 is about 55724.3576903314. The cubic root of 3105204040 is about 1458.9151946709.

Adding to 3105204040 its reverse (404025013), we get a palindrome (3509229053).

The spelling of 3105204040 in words is "three billion, one hundred five million, two hundred four thousand, forty".