650240000 has 140 divisors (see below), whose sum is σ = 1637775744. Its totient is φ = 258048000.

The previous prime is 650239991. The next prime is 650240027. The reversal of 650240000 is 42056.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5119937 + ... + 5120063.

Almost surely, 2^650240000 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 650240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818887872).

650240000 is an abundant number, since it is smaller than the sum of its proper divisors (987535744).

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

650240000 is an frugal number, since it uses more digits than its factorization.

650240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 650240000 is about 25499.8039208148. The cubic root of 650240000 is about 866.3457062656.

Adding to 650240000 its reverse (42056), we get a palindrome (650282056).

The spelling of 650240000 in words is "six hundred fifty million, two hundred forty thousand".