650556036 has 135 divisors (see below), whose sum is σ = 1858616991. Its totient is φ = 198334656.

The previous prime is 650556013. The next prime is 650556047. The reversal of 650556036 is 630655056.

It is a happy number.

The square root of 650556036 is 25506.

It is a perfect power (a square), and thus also a powerful number.

650556036 is a `hidden beast` number, since 65 + 0 + 5 + 560 + 36 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22752900 + 627803136 = 4770^2 + 25056^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5968350 + ... + 5968458.

Almost surely, 2^650556036 is an apocalyptic number.

650556036 is the 25506-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650556036

650556036 is an abundant number, since it is smaller than the sum of its proper divisors (1208060955).

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

650556036 is a wasteful number, since it uses less digits than its factorization.

650556036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The cubic root of 650556036 is about 866.4860401351.

Multiplying 650556036 by its sum of digits (36), we get a square (23420017296 = 153036²).

650556036 divided by its sum of digits (36) gives a square (18071001 = 4251²).

The spelling of 650556036 in words is "six hundred fifty million, five hundred fifty-six thousand, thirty-six".