2241273240 has 160 divisors (see below), whose sum is σ = 7552258560. Its totient is φ = 596160000.

The previous prime is 2241273239. The next prime is 2241273257. The reversal of 2241273240 is 423721422.

2241273240 is a `hidden beast` number, since 2 + 2 + 412 + 7 + 3 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1946665 + ... + 1947815.

It is an arithmetic number, because the mean of its divisors is an integer number (47201616).

Almost surely, 2^2241273240 is an apocalyptic number.

2241273240 is a gapful number since it is divisible by the number (20) 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 2241273240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3776129280).

2241273240 is an abundant number, since it is smaller than the sum of its proper divisors (5310985320).

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

2241273240 is a wasteful number, since it uses less digits than its factorization.

2241273240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2241273240 is about 47342.0874064505. The cubic root of 2241273240 is about 1308.6743850041.

Adding to 2241273240 its reverse (423721422), we get a palindrome (2664994662).

The spelling of 2241273240 in words is "two billion, two hundred forty-one million, two hundred seventy-three thousand, two hundred forty".