2861443632 has 40 divisors (see below), whose sum is σ = 7513251760. Its totient is φ = 938177280.

The previous prime is 2861443609. The next prime is 2861443649. The reversal of 2861443632 is 2363441682.

It is a super-2 number, since 2×2861443632² = 16375719318226702848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485707 + ... + 491562.

It is an arithmetic number, because the mean of its divisors is an integer number (187831294).

Almost surely, 2^2861443632 is an apocalyptic number.

It is an amenable number.

2861443632 is an abundant number, since it is smaller than the sum of its proper divisors (4651808128).

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

2861443632 is a wasteful number, since it uses less digits than its factorization.

2861443632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977341 (or 977335 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 2861443632 is about 53492.4633196117. The cubic root of 2861443632 is about 1419.6950399798.

The spelling of 2861443632 in words is "two billion, eight hundred sixty-one million, four hundred forty-three thousand, six hundred thirty-two".