2075650644 has 24 divisors (see below), whose sum is σ = 4890208960. Its totient is φ = 685165824.

The previous prime is 2075650589. The next prime is 2075650651. The reversal of 2075650644 is 4460565702.

It is a super-2 number, since 2×2075650644² = 8616651191875229472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838429 + ... + 840900.

Almost surely, 2^2075650644 is an apocalyptic number.

It is an amenable number.

2075650644 is an abundant number, since it is smaller than the sum of its proper divisors (2814558316).

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

2075650644 is a wasteful number, since it uses less digits than its factorization.

2075650644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679439 (or 1679437 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 2075650644 is about 45559.3090816795. The cubic root of 2075650644 is about 1275.6105022469.

The spelling of 2075650644 in words is "two billion, seventy-five million, six hundred fifty thousand, six hundred forty-four".