650040330 has 16 divisors (see below), whose sum is σ = 1560096864. Its totient is φ = 173344080.

The previous prime is 650040299. The next prime is 650040341. The reversal of 650040330 is 33040056.

650040330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 650040297 and 650040306.

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, 10833976 + ... + 10834035.

It is an arithmetic number, because the mean of its divisors is an integer number (97506054).

Almost surely, 2^650040330 is an apocalyptic number.

650040330 is an abundant number, since it is smaller than the sum of its proper divisors (910056534).

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

650040330 is a wasteful number, since it uses less digits than its factorization.

650040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668021.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 650040330 is about 25495.8884920687. Note that the first 3 decimals coincide. The cubic root of 650040330 is about 866.2570205720.

Adding to 650040330 its reverse (33040056), we get a palindrome (683080386).

It can be divided in two parts, 650040 and 330, that added together give a triangular number (650370 = T₁₁₄₀).

The spelling of 650040330 in words is "six hundred fifty million, forty thousand, three hundred thirty".