244573421436 has 30 divisors (see below), whose sum is σ = 639363235280. Its totient is φ = 81524473704.

The previous prime is 244573421371. The next prime is 244573421489. The reversal of 244573421436 is 634124375442.

244573421436 is a `hidden beast` number, since 2 + 4 + 4 + 573 + 42 + 1 + 4 + 36 = 666.

It is a super-2 number, since 2×244573421436² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244573421391 and 244573421400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 377427796 + ... + 377428443.

Almost surely, 2^244573421436 is an apocalyptic number.

It is an amenable number.

244573421436 is an abundant number, since it is smaller than the sum of its proper divisors (394789813844).

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

244573421436 is a wasteful number, since it uses less digits than its factorization.

244573421436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754856255 (or 754856244 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 45.

Adding to 244573421436 its reverse (634124375442), we get a palindrome (878697796878).

The spelling of 244573421436 in words is "two hundred forty-four billion, five hundred seventy-three million, four hundred twenty-one thousand, four hundred thirty-six".