650856492 has 384 divisors, whose sum is σ = 2187924480. Its totient is φ = 164229120.

The previous prime is 650856491. The next prime is 650856527. The reversal of 650856492 is 294658056.

650856492 is a `hidden beast` number, since 6 + 508 + 56 + 4 + 92 = 666.

It is a super-2 number, since 2×650856492² = 847228346357092128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650856491) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 9714243 + ... + 9714309.

It is an arithmetic number, because the mean of its divisors is an integer number (5697720).

Almost surely, 2^650856492 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 650856492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093962240).

650856492 is an abundant number, since it is smaller than the sum of its proper divisors (1537067988).

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

650856492 is a wasteful number, since it uses less digits than its factorization.

650856492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 650856492 is about 25511.8892283578. The cubic root of 650856492 is about 866.6194136630.

The spelling of 650856492 in words is "six hundred fifty million, eight hundred fifty-six thousand, four hundred ninety-two".