650255040 has 140 divisors (see below), whose sum is σ = 2313163776. Its totient is φ = 173394432.

The previous prime is 650255017. The next prime is 650255041. The reversal of 650255040 is 40552056.

650255040 is a `hidden beast` number, since 650 + 2 + 5 + 5 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 650254995 and 650255013.

It is not an unprimeable number, because it can be changed into a prime (650255041) 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 19 ways as a sum of consecutive naturals, for example, 13377 + ... + 38463.

Almost surely, 2^650255040 is an apocalyptic number.

650255040 is a gapful number since it is divisible by the number (60) 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 650255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156581888).

650255040 is an abundant number, since it is smaller than the sum of its proper divisors (1662908736).

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

650255040 is a wasteful number, since it uses less digits than its factorization.

650255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25116 (or 25097 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 650255040 is about 25500.0988233379. The cubic root of 650255040 is about 866.3523857168.

The spelling of 650255040 in words is "six hundred fifty million, two hundred fifty-five thousand, forty".