3120404378 has 24 divisors (see below), whose sum is σ = 5863619412. Its totient is φ = 1234445184.

The previous prime is 3120404363. The next prime is 3120404381. The reversal of 3120404378 is 8734040213.

It can be written as a sum of positive squares in 2 ways, for example, as 2205523369 + 914881009 = 46963^2 + 30247^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223375 + ... + 1225922.

Almost surely, 2^3120404378 is an apocalyptic number.

3120404378 is a deficient number, since it is larger than the sum of its proper divisors (2743215034).

3120404378 is a wasteful number, since it uses less digits than its factorization.

3120404378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449326 (or 2449319 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3120404378 is about 55860.5798215522. The cubic root of 3120404378 is about 1461.2918412249.

The spelling of 3120404378 in words is "three billion, one hundred twenty million, four hundred four thousand, three hundred seventy-eight".