140424320321244 has 72 divisors (see below), whose sum is σ = 358107367882992. Its totient is φ = 46393274672640.

The previous prime is 140424320321203. The next prime is 140424320321249. The reversal of 140424320321244 is 442123023424041.

140424320321244 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 4 + 320 + 321 + 2 + 4 + 4 = 666.

It is a super-2 number, since 2×140424320321244² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140424320321199 and 140424320321208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424320321249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403294287 + ... + 403642329.

Almost surely, 2^{140424320321244} is an apocalyptic number.

It is an amenable number.

140424320321244 is an abundant number, since it is smaller than the sum of its proper divisors (217683047561748).

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

140424320321244 is a wasteful number, since it uses less digits than its factorization.

140424320321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447347 (or 447342 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 140424320321244 its reverse (442123023424041), we get a palindrome (582547343745285).

The spelling of 140424320321244 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred twenty million, three hundred twenty-one thousand, two hundred forty-four".