2440447872 has 32 divisors (see below), whose sum is σ = 6482440680. Its totient is φ = 813482496.

The previous prime is 2440447861. The next prime is 2440447927. The reversal of 2440447872 is 2787440442.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3177283 + ... + 3178050.

Almost surely, 2^2440447872 is an apocalyptic number.

It is an amenable number.

2440447872 is an abundant number, since it is smaller than the sum of its proper divisors (4041992808).

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

2440447872 is an equidigital number, since it uses as much as digits as its factorization.

2440447872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355350 (or 6355338 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 42.

The square root of 2440447872 is about 49400.8893847064. The cubic root of 2440447872 is about 1346.3454651169.

The spelling of 2440447872 in words is "two billion, four hundred forty million, four hundred forty-seven thousand, eight hundred seventy-two".