2240004312 has 192 divisors, whose sum is σ = 7724808000. Its totient is φ = 570350592.

The previous prime is 2240004281. The next prime is 2240004313. The reversal of 2240004312 is 2134000422.

It is a Harshad number since it is a multiple of its sum of digits (18).

2240004312 is a modest number, since divided by 4312 gives 2240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240004313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184114 + ... + 195902.

It is an arithmetic number, because the mean of its divisors is an integer number (40233375).

Almost surely, 2^2240004312 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 2240004312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862404000).

2240004312 is an abundant number, since it is smaller than the sum of its proper divisors (5484803688).

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

2240004312 is a wasteful number, since it uses less digits than its factorization.

2240004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850 (or 11843 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2240004312 is about 47328.6838185893. The cubic root of 2240004312 is about 1308.4273636486.

Adding to 2240004312 its reverse (2134000422), we get a palindrome (4374004734).

The spelling of 2240004312 in words is "two billion, two hundred forty million, four thousand, three hundred twelve".