1648046404 has 12 divisors (see below), whose sum is σ = 2892347500. Its totient is φ = 821661408.

The previous prime is 1648046401. The next prime is 1648046471. The reversal of 1648046404 is 4046408461.

It can be written as a sum of positive squares in 2 ways, for example, as 942612804 + 705433600 = 30702^2 + 26560^2 .

It is not an unprimeable number, because it can be changed into a prime (1648046401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588879 + ... + 591670.

Almost surely, 2^1648046404 is an apocalyptic number.

It is an amenable number.

1648046404 is a deficient number, since it is larger than the sum of its proper divisors (1244301096).

1648046404 is a wasteful number, since it uses less digits than its factorization.

1648046404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180902 (or 1180900 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 1648046404 is about 40596.1377965934. The cubic root of 1648046404 is about 1181.1992031608.

The spelling of 1648046404 in words is "one billion, six hundred forty-eight million, forty-six thousand, four hundred four".