244423422540 has 144 divisors (see below), whose sum is σ = 851388894720. Its totient is φ = 56135514240.

The previous prime is 244423422527. The next prime is 244423422541. The reversal of 244423422540 is 45224324442.

It is a happy number.

244423422540 is a `hidden beast` number, since 2 + 4 + 4 + 423 + 4 + 225 + 4 + 0 = 666.

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 = 244423422495 and 244423422504.

It is not an unprimeable number, because it can be changed into a prime (244423422541) 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, 3210964 + ... + 3286203.

It is an arithmetic number, because the mean of its divisors is an integer number (5912422880).

Almost surely, 2^244423422540 is an apocalyptic number.

244423422540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244423422540 is an abundant number, since it is smaller than the sum of its proper divisors (606965472180).

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

244423422540 is a wasteful number, since it uses less digits than its factorization.

244423422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497212 (or 6497207 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 36.

Adding to 244423422540 its reverse (45224324442), we get a palindrome (289647746982).

The spelling of 244423422540 in words is "two hundred forty-four billion, four hundred twenty-three million, four hundred twenty-two thousand, five hundred forty".