650605740 has 96 divisors (see below), whose sum is σ = 1874093760. Its totient is φ = 168569856.

The previous prime is 650605727. The next prime is 650605757. The reversal of 650605740 is 47506056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345682 + ... + 347558.

It is an arithmetic number, because the mean of its divisors is an integer number (19521810).

Almost surely, 2^650605740 is an apocalyptic number.

650605740 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 650605740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937046880).

650605740 is an abundant number, since it is smaller than the sum of its proper divisors (1223488020).

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

650605740 is a wasteful number, since it uses less digits than its factorization.

650605740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 650605740 is about 25506.9743403642. The cubic root of 650605740 is about 866.5081067586.

The spelling of 650605740 in words is "six hundred fifty million, six hundred five thousand, seven hundred forty".