4244222242440 has 48 divisors (see below), whose sum is σ = 13793722289100. Its totient is φ = 1131792597888.

The previous prime is 4244222242439. The next prime is 4244222242459. The reversal of 4244222242440 is 442422224424.

4244222242440 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 2 + 222 + 424 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3933788290884 + 310433951556 = 1983378^2 + 557166^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4244222242395 and 4244222242404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5894752755 + ... + 5894753474.

Almost surely, 2^{4244222242440} is an apocalyptic number.

4244222242440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244222242440 is an abundant number, since it is smaller than the sum of its proper divisors (9549500046660).

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

4244222242440 is a wasteful number, since it uses less digits than its factorization.

4244222242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789506246 (or 11789506239 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4244222242440 its reverse (442422224424), we get a palindrome (4686644466864).

The spelling of 4244222242440 in words is "four trillion, two hundred forty-four billion, two hundred twenty-two million, two hundred forty-two thousand, four hundred forty".