650071500 has 384 divisors, whose sum is σ = 2258710272. Its totient is φ = 143769600.

The previous prime is 650071469. The next prime is 650071501. The reversal of 650071500 is 5170056.

It is a super-2 number, since 2×650071500² = 845185910224500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650071501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12265474 + ... + 12265526.

It is an arithmetic number, because the mean of its divisors is an integer number (5882058).

Almost surely, 2^650071500 is an apocalyptic number.

650071500 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 650071500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129355136).

650071500 is an abundant number, since it is smaller than the sum of its proper divisors (1608638772).

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

650071500 is a wasteful number, since it uses less digits than its factorization.

650071500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 650071500 is about 25496.4997597709. The cubic root of 650071500 is about 866.2708662769.

The spelling of 650071500 in words is "six hundred fifty million, seventy-one thousand, five hundred".