650726436 has 48 divisors (see below), whose sum is σ = 1544981760. Its totient is φ = 213139200.

The previous prime is 650726429. The next prime is 650726441. The reversal of 650726436 is 634627056.

It is a junction number, because it is equal to n+sod(n) for n = 650726394 and 650726403.

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, 164085 + ... + 168003.

It is an arithmetic number, because the mean of its divisors is an integer number (32187120).

Almost surely, 2^650726436 is an apocalyptic number.

It is an amenable number.

650726436 is an abundant number, since it is smaller than the sum of its proper divisors (894255324).

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

650726436 is a wasteful number, since it uses less digits than its factorization.

650726436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 650726436 is about 25509.3401717881. The cubic root of 650726436 is about 866.5616863637.

The spelling of 650726436 in words is "six hundred fifty million, seven hundred twenty-six thousand, four hundred thirty-six".