2820265384 has 8 divisors (see below), whose sum is σ = 5287997610. Its totient is φ = 1410132688.

The previous prime is 2820265373. The next prime is 2820265403. The reversal of 2820265384 is 4835620282.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2176222500 + 644042884 = 46650^2 + 25378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176266579 + ... + 176266594.

Almost surely, 2^2820265384 is an apocalyptic number.

It is an amenable number.

2820265384 is a deficient number, since it is larger than the sum of its proper divisors (2467732226).

2820265384 is a wasteful number, since it uses less digits than its factorization.

2820265384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352533179 (or 352533175 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2820265384 is about 53106.1708655407. The cubic root of 2820265384 is about 1412.8519617244.

The spelling of 2820265384 in words is "two billion, eight hundred twenty million, two hundred sixty-five thousand, three hundred eighty-four".