650626445 has 16 divisors (see below), whose sum is σ = 892747008. Its totient is φ = 445914240.

The previous prime is 650626409. The next prime is 650626477. The reversal of 650626445 is 544626056.

It is not a de Polignac number, because 650626445 - 2⁸ = 650626189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650626399 and 650626408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91457 + ... + 98313.

It is an arithmetic number, because the mean of its divisors is an integer number (55796688).

Almost surely, 2^650626445 is an apocalyptic number.

It is an amenable number.

650626445 is a deficient number, since it is larger than the sum of its proper divisors (242120563).

650626445 is a wasteful number, since it uses less digits than its factorization.

650626445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 650626445 is about 25507.3802065206. The cubic root of 650626445 is about 866.5172986336.

The spelling of 650626445 in words is "six hundred fifty million, six hundred twenty-six thousand, four hundred forty-five".