650440235 has 4 divisors (see below), whose sum is σ = 780528288. Its totient is φ = 520352184.

The previous prime is 650440229. The next prime is 650440261. The reversal of 650440235 is 532044056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650440235 - 2²² = 646245931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650440198 and 650440207.

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, 65044019 + ... + 65044028.

It is an arithmetic number, because the mean of its divisors is an integer number (195132072).

Almost surely, 2^650440235 is an apocalyptic number.

650440235 is a deficient number, since it is larger than the sum of its proper divisors (130088053).

650440235 is a wasteful number, since it uses less digits than its factorization.

650440235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130088052.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 650440235 is about 25503.7298252628. The cubic root of 650440235 is about 866.4346246799.

The spelling of 650440235 in words is "six hundred fifty million, four hundred forty thousand, two hundred thirty-five".