650932240 has 80 divisors (see below), whose sum is σ = 1753423488. Its totient is φ = 220105728.

The previous prime is 650932207. The next prime is 650932241. The reversal of 650932240 is 42239056.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (650932241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32919 + ... + 48841.

Almost surely, 2^650932240 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 650932240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876711744).

650932240 is an abundant number, since it is smaller than the sum of its proper divisors (1102491248).

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

650932240 is a wasteful number, since it uses less digits than its factorization.

650932240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16016 (or 16010 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 650932240 is about 25513.3737478994. The cubic root of 650932240 is about 866.6530320011.

The spelling of 650932240 in words is "six hundred fifty million, nine hundred thirty-two thousand, two hundred forty".