2443156872 has 256 divisors, whose sum is σ = 7139543040. Its totient is φ = 691200000.

The previous prime is 2443156861. The next prime is 2443156873. The reversal of 2443156872 is 2786513442.

2443156872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (322560) is a multiple of the sum of its prime divisors (252).

It is not an unprimeable number, because it can be changed into a prime (2443156873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24189622 + ... + 24189722.

It is an arithmetic number, because the mean of its divisors is an integer number (27888840).

Almost surely, 2^2443156872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2443156872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3569771520).

2443156872 is an abundant number, since it is smaller than the sum of its proper divisors (4696386168).

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

2443156872 is a wasteful number, since it uses less digits than its factorization.

2443156872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 252 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 2443156872 is about 49428.3003146983. The cubic root of 2443156872 is about 1346.8434476395.

The spelling of 2443156872 in words is "two billion, four hundred forty-three million, one hundred fifty-six thousand, eight hundred seventy-two".