2240187856 has 80 divisors (see below), whose sum is σ = 4878973440. Its totient is φ = 991267200.

The previous prime is 2240187839. The next prime is 2240187871. The reversal of 2240187856 is 6587810422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 15 ways as a sum of consecutive naturals, for example, 296931 + ... + 304381.

It is an arithmetic number, because the mean of its divisors is an integer number (60987168).

Almost surely, 2^2240187856 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 2240187856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439486720).

2240187856 is an abundant number, since it is smaller than the sum of its proper divisors (2638785584).

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

2240187856 is a wasteful number, since it uses less digits than its factorization.

2240187856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544 (or 7538 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2240187856 is about 47330.6228144105. The cubic root of 2240187856 is about 1308.4630998049.

It can be divided in two parts, 2240 and 187856, that added together give a square (190096 = 436²).

The spelling of 2240187856 in words is "two billion, two hundred forty million, one hundred eighty-seven thousand, eight hundred fifty-six".