2224040240 has 20 divisors (see below), whose sum is σ = 5170893744. Its totient is φ = 889616064.

The previous prime is 2224040239. The next prime is 2224040243. The reversal of 2224040240 is 420404222.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2224040243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13900172 + ... + 13900331.

Almost surely, 2^2224040240 is an apocalyptic number.

2224040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224040240 is an abundant number, since it is smaller than the sum of its proper divisors (2946853504).

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

2224040240 is a wasteful number, since it uses less digits than its factorization.

2224040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800516 (or 27800510 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2224040240 is about 47159.7311273082. The cubic root of 2224040240 is about 1305.3116483368.

Adding to 2224040240 its reverse (420404222), we get a palindrome (2644444462).

The spelling of 2224040240 in words is "two billion, two hundred twenty-four million, forty thousand, two hundred forty".