140243312402244 has 36 divisors (see below), whose sum is σ = 354504300812844. Its totient is φ = 46747721714112.

The previous prime is 140243312402233. The next prime is 140243312402273. The reversal of 140243312402244 is 442204213342041.

140243312402244 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 4 + 3 + 3 + 1 + 2 + 402 + 244 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74173433760000 + 66069878642244 = 8612400^2 + 8128338^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 140243312402199 and 140243312402208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53036034 + ... + 55617510.

Almost surely, 2^{140243312402244} is an apocalyptic number.

It is an amenable number.

140243312402244 is an abundant number, since it is smaller than the sum of its proper divisors (214260988410600).

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

140243312402244 is a wasteful number, since it uses less digits than its factorization.

140243312402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090564 (or 4090559 counting only the distinct ones).

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

Adding to 140243312402244 its reverse (442204213342041), we get a palindrome (582447525744285).

The spelling of 140243312402244 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred twelve million, four hundred two thousand, two hundred forty-four".