2063600640 has 264 divisors, whose sum is σ = 7529848560. Its totient is φ = 521109504.

The previous prime is 2063600639. The next prime is 2063600657. The reversal of 2063600640 is 460063602.

2063600640 is a `hidden beast` number, since 20 + 636 + 0 + 0 + 6 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874342 + ... + 876698.

Almost surely, 2^2063600640 is an apocalyptic number.

2063600640 is a gapful number since it is divisible by the number (20) 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 2063600640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764924280).

2063600640 is an abundant number, since it is smaller than the sum of its proper divisors (5466247920).

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

2063600640 is a wasteful number, since it uses less digits than its factorization.

2063600640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2063600640 is about 45426.8713428517. The cubic root of 2063600640 is about 1273.1372290733.

The spelling of 2063600640 in words is "two billion, sixty-three million, six hundred thousand, six hundred forty".