2081575628 has 24 divisors (see below), whose sum is σ = 4183072320. Its totient is φ = 896371920.

The previous prime is 2081575603. The next prime is 2081575663. The reversal of 2081575628 is 8265751802.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 1244126 + ... + 1245797.

It is an arithmetic number, because the mean of its divisors is an integer number (174294680).

Almost surely, 2^2081575628 is an apocalyptic number.

It is an amenable number.

2081575628 is an abundant number, since it is smaller than the sum of its proper divisors (2101496692).

2081575628 is a wasteful number, since it uses less digits than its factorization.

2081575628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489957 (or 2489955 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 2081575628 is about 45624.2876985493. The cubic root of 2081575628 is about 1276.8231006134.

The spelling of 2081575628 in words is "two billion, eighty-one million, five hundred seventy-five thousand, six hundred twenty-eight".