244204420440 has 32 divisors (see below), whose sum is σ = 732613261680. Its totient is φ = 65121178752.

The previous prime is 244204420429. The next prime is 244204420459. The reversal of 244204420440 is 44024402442.

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 = 244204420398 and 244204420407.

It is a congruent number.

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, 1017518299 + ... + 1017518538.

Almost surely, 2^244204420440 is an apocalyptic number.

244204420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244204420440 is an abundant number, since it is smaller than the sum of its proper divisors (488408841240).

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

244204420440 is a wasteful number, since it uses less digits than its factorization.

244204420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035036851 (or 2035036847 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 244204420440 its reverse (44024402442), we get a palindrome (288228822882).

The spelling of 244204420440 in words is "two hundred forty-four billion, two hundred four million, four hundred twenty thousand, four hundred forty".