650403630 has 96 divisors (see below), whose sum is σ = 1787235840. Its totient is φ = 163650240.

The previous prime is 650403613. The next prime is 650403643. The reversal of 650403630 is 36304056.

650403630 is a `hidden beast` number, since 650 + 4 + 0 + 3 + 6 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 650403594 and 650403603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 531199 + ... + 532421.

It is an arithmetic number, because the mean of its divisors is an integer number (18617040).

Almost surely, 2^650403630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650403630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893617920).

650403630 is an abundant number, since it is smaller than the sum of its proper divisors (1136832210).

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

650403630 is a wasteful number, since it uses less digits than its factorization.

650403630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 650403630 is about 25503.0121750353. The cubic root of 650403630 is about 866.4183708502.

Adding to 650403630 its reverse (36304056), we get a palindrome (686707686).

The spelling of 650403630 in words is "six hundred fifty million, four hundred three thousand, six hundred thirty".