2805720032 has 12 divisors (see below), whose sum is σ = 5523761376. Its totient is φ = 1402860000.

The previous prime is 2805720023. The next prime is 2805720041. The reversal of 2805720032 is 2300275082.

It is an interprime number because it is at equal distance from previous prime (2805720023) and next prime (2805720041).

It is a junction number, because it is equal to n+sod(n) for n = 2805719977 and 2805720004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43839344 + ... + 43839407.

It is an arithmetic number, because the mean of its divisors is an integer number (460313448).

Almost surely, 2^2805720032 is an apocalyptic number.

It is an amenable number.

2805720032 is a deficient number, since it is larger than the sum of its proper divisors (2718041344).

2805720032 is an equidigital number, since it uses as much as digits as its factorization.

2805720032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87678761 (or 87678753 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2805720032 is about 52969.0478675991. The cubic root of 2805720032 is about 1410.4188739249.

The spelling of 2805720032 in words is "two billion, eight hundred five million, seven hundred twenty thousand, thirty-two".