244212430140 has 192 divisors, whose sum is σ = 868576665600. Its totient is φ = 55802898432.

The previous prime is 244212430123. The next prime is 244212430141. The reversal of 244212430140 is 41034212442.

244212430140 is a `hidden beast` number, since 2 + 4 + 4 + 212 + 430 + 14 + 0 = 666.

It is a super-2 number, since 2×244212430140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244212430141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15599797 + ... + 15615443.

It is an arithmetic number, because the mean of its divisors is an integer number (4523836800).

Almost surely, 2^244212430140 is an apocalyptic number.

244212430140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244212430140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434288332800).

244212430140 is an abundant number, since it is smaller than the sum of its proper divisors (624364235460).

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

244212430140 is a wasteful number, since it uses less digits than its factorization.

244212430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801 (or 19793 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 244212430140 its reverse (41034212442), we get a palindrome (285246642582).

The spelling of 244212430140 in words is "two hundred forty-four billion, two hundred twelve million, four hundred thirty thousand, one hundred forty".