2444273172 has 120 divisors (see below), whose sum is σ = 7085608992. Its totient is φ = 728481600.

The previous prime is 2444273101. The next prime is 2444273173. The reversal of 2444273172 is 2713724442.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444273173) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 211783 + ... + 223025.

Almost surely, 2^2444273172 is an apocalyptic number.

2444273172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2444273172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3542804496).

2444273172 is an abundant number, since it is smaller than the sum of its proper divisors (4641335820).

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

2444273172 is a wasteful number, since it uses less digits than its factorization.

2444273172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11320 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 2444273172 is about 49439.5911390861. The cubic root of 2444273172 is about 1347.0485446367.

The spelling of 2444273172 in words is "two billion, four hundred forty-four million, two hundred seventy-three thousand, one hundred seventy-two".