650572412 has 72 divisors (see below), whose sum is σ = 1359638784. Its totient is φ = 271500768.

The previous prime is 650572393. The next prime is 650572441. The reversal of 650572412 is 214275056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404893 + ... + 1405355.

It is an arithmetic number, because the mean of its divisors is an integer number (18883872).

Almost surely, 2^650572412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650572412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679819392).

650572412 is an abundant number, since it is smaller than the sum of its proper divisors (709066372).

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

650572412 is a wasteful number, since it uses less digits than its factorization.

650572412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 650572412 is about 25506.3210204843. The cubic root of 650572412 is about 866.4933105599.

The spelling of 650572412 in words is "six hundred fifty million, five hundred seventy-two thousand, four hundred twelve".