140233220244 has 60 divisors (see below), whose sum is σ = 394797145204. Its totient is φ = 43148681856.

The previous prime is 140233220243. The next prime is 140233220249. The reversal of 140233220244 is 442022332041.

140233220244 is a `hidden beast` number, since 1 + 402 + 33 + 220 + 2 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55559204100 + 84674016144 = 235710^2 + 290988^2 .

It is a super-2 number, since 2×140233220244² (a number of 23 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 (140233220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16642657 + ... + 16651080.

Almost surely, 2^140233220244 is an apocalyptic number.

It is an amenable number.

140233220244 is an abundant number, since it is smaller than the sum of its proper divisors (254563924960).

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

140233220244 is a wasteful number, since it uses less digits than its factorization.

140233220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33293766 (or 33293755 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 140233220244 its reverse (442022332041), we get a palindrome (582255552285).

The spelling of 140233220244 in words is "one hundred forty billion, two hundred thirty-three million, two hundred twenty thousand, two hundred forty-four".