140420243004040 has 16 divisors (see below), whose sum is σ = 315945546759180. Its totient is φ = 56168097201600.

The previous prime is 140420243004037. The next prime is 140420243004047. The reversal of 140420243004040 is 40400342024041.

It can be written as a sum of positive squares in 2 ways, for example, as 112385823083524 + 28034419920516 = 10601218^2 + 5294754^2 .

It is not an unprimeable number, because it can be changed into a prime (140420243004047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755253037511 + ... + 1755253037590.

Almost surely, 2^{140420243004040} is an apocalyptic number.

140420243004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140420243004040 is an abundant number, since it is smaller than the sum of its proper divisors (175525303755140).

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

140420243004040 is a wasteful number, since it uses less digits than its factorization.

140420243004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510506075112 (or 3510506075108 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 140420243004040 its reverse (40400342024041), we get a palindrome (180820585028081).

The spelling of 140420243004040 in words is "one hundred forty trillion, four hundred twenty billion, two hundred forty-three million, four thousand, forty".