2234443440 has 40 divisors (see below), whose sum is σ = 6926775408. Its totient is φ = 595851520.

The previous prime is 2234443427. The next prime is 2234443459. The reversal of 2234443440 is 443444322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2234443398 and 2234443407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654851 + ... + 4655330.

Almost surely, 2^2234443440 is an apocalyptic number.

2234443440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2234443440 is an abundant number, since it is smaller than the sum of its proper divisors (4692331968).

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

2234443440 is a wasteful number, since it uses less digits than its factorization.

2234443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310197 (or 9310191 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 2234443440 is about 47269.8999364289. The cubic root of 2234443440 is about 1307.3437308592.

Adding to 2234443440 its reverse (443444322), we get a palindrome (2677887762).

The spelling of 2234443440 in words is "two billion, two hundred thirty-four million, four hundred forty-three thousand, four hundred forty".