244421511312 has 80 divisors (see below), whose sum is σ = 694920218688. Its totient is φ = 73411645440.

The previous prime is 244421511307. The next prime is 244421511317. The reversal of 244421511312 is 213115124442.

It is an interprime number because it is at equal distance from previous prime (244421511307) and next prime (244421511317).

It is a super-2 number, since 2×244421511312² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244421511312.

It is not an unprimeable number, because it can be changed into a prime (244421511317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988653 + ... + 2107980.

Almost surely, 2^244421511312 is an apocalyptic number.

244421511312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

244421511312 is an abundant number, since it is smaller than the sum of its proper divisors (450498707376).

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

244421511312 is a wasteful number, since it uses less digits than its factorization.

244421511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096768 (or 4096762 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 244421511312 its reverse (213115124442), we get a palindrome (457536635754).

The spelling of 244421511312 in words is "two hundred forty-four billion, four hundred twenty-one million, five hundred eleven thousand, three hundred twelve".