140442015040 has 28 divisors (see below), whose sum is σ = 334427549076. Its totient is φ = 56176805888.

The previous prime is 140442014917. The next prime is 140442015053. The reversal of 140442015040 is 40510244041.

It can be written as a sum of positive squares in 2 ways, for example, as 25699937344 + 114742077696 = 160312^2 + 338736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140442014996 and 140442015014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219440329 + ... + 219440968.

Almost surely, 2^140442015040 is an apocalyptic number.

140442015040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140442015040 is an abundant number, since it is smaller than the sum of its proper divisors (193985534036).

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

140442015040 is an equidigital number, since it uses as much as digits as its factorization.

140442015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438881314 (or 438881304 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 140442015040 its reverse (40510244041), we get a palindrome (180952259081).

The spelling of 140442015040 in words is "one hundred forty billion, four hundred forty-two million, fifteen thousand, forty".