650140000 has 60 divisors (see below), whose sum is σ = 1599491124. Its totient is φ = 260048000.

The previous prime is 650139977. The next prime is 650140021. The reversal of 650140000 is 41056.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3747 + ... + 36253.

Almost surely, 2^650140000 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 650140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799745562).

650140000 is an abundant number, since it is smaller than the sum of its proper divisors (949351124).

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

650140000 is an equidigital number, since it uses as much as digits as its factorization.

650140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537 (or 32514 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 650140000 is about 25497.8430460304. The cubic root of 650140000 is about 866.3012924019.

Adding to 650140000 its reverse (41056), we get a palindrome (650181056).

The spelling of 650140000 in words is "six hundred fifty million, one hundred forty thousand".