650279044 has 12 divisors (see below), whose sum is σ = 1138175500. Its totient is φ = 325086048.

The previous prime is 650279039. The next prime is 650279051. The reversal of 650279044 is 440972056.

It can be written as a sum of positive squares in 2 ways, for example, as 494528644 + 155750400 = 22238^2 + 12480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650278994 and 650279012.

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, 28702 + ... + 46090.

Almost surely, 2^650279044 is an apocalyptic number.

It is an amenable number.

650279044 is a deficient number, since it is larger than the sum of its proper divisors (487896456).

650279044 is a wasteful number, since it uses less digits than its factorization.

650279044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742 (or 26740 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 650279044 is about 25500.5694838370. The cubic root of 650279044 is about 866.3630459785.

The spelling of 650279044 in words is "six hundred fifty million, two hundred seventy-nine thousand, forty-four".