650378404 has 24 divisors (see below), whose sum is σ = 1238358968. Its totient is φ = 297077760.

The previous prime is 650378369. The next prime is 650378411. The reversal of 650378404 is 404873056.

It can be written as a sum of positive squares in 4 ways, for example, as 105062500 + 545315904 = 10250^2 + 23352^2 .

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, 59427 + ... + 69514.

Almost surely, 2^650378404 is an apocalyptic number.

It is an amenable number.

650378404 is a deficient number, since it is larger than the sum of its proper divisors (587980564).

650378404 is a wasteful number, since it uses less digits than its factorization.

650378404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129055 (or 129053 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 650378404 is about 25502.5176012095. The cubic root of 650378404 is about 866.4071693176.

It can be divided in two parts, 65037 and 8404, that added together give a square (73441 = 271²).

The spelling of 650378404 in words is "six hundred fifty million, three hundred seventy-eight thousand, four hundred four".