650890944 has 224 divisors, whose sum is σ = 2112142080. Its totient is φ = 196542720.

The previous prime is 650890943. The next prime is 650890969. The reversal of 650890944 is 449098056.

It is a happy number.

650890944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650890944² = 847318041962422272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650890944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650890943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2299827 + ... + 2300109.

Almost surely, 2^650890944 is an apocalyptic number.

650890944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650890944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056071040).

650890944 is an abundant number, since it is smaller than the sum of its proper divisors (1461251136).

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

650890944 is a wasteful number, since it uses less digits than its factorization.

650890944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 650890944 is about 25512.5644340196. The cubic root of 650890944 is about 866.6347044097.

The spelling of 650890944 in words is "six hundred fifty million, eight hundred ninety thousand, nine hundred forty-four".