650240532 has 18 divisors (see below), whose sum is σ = 1643663658. Its totient is φ = 216746832.

The previous prime is 650240501. The next prime is 650240557. The reversal of 650240532 is 235042056.

650240532 is a `hidden beast` number, since 650 + 2 + 4 + 0 + 5 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 612859536 + 37380996 = 24756^2 + 6114^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 650240496 and 650240505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9031083 + ... + 9031154.

Almost surely, 2^650240532 is an apocalyptic number.

It is an amenable number.

650240532 is an abundant number, since it is smaller than the sum of its proper divisors (993423126).

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

650240532 is a wasteful number, since it uses less digits than its factorization.

650240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18062247 (or 18062242 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 650240532 is about 25499.8143522654. The cubic root of 650240532 is about 866.3459425352.

Adding to 650240532 its reverse (235042056), we get a palindrome (885282588).

The spelling of 650240532 in words is "six hundred fifty million, two hundred forty thousand, five hundred thirty-two".