140232455440 has 160 divisors (see below), whose sum is σ = 424165994496. Its totient is φ = 41808391680.

The previous prime is 140232455437. The next prime is 140232455443. The reversal of 140232455440 is 44554232041.

It is an interprime number because it is at equal distance from previous prime (140232455437) and next prime (140232455443).

It is a junction number, because it is equal to n+sod(n) for n = 140232455396 and 140232455405.

It is not an unprimeable number, because it can be changed into a prime (140232455443) 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 31 ways as a sum of consecutive naturals, for example, 353212 + ... + 636571.

Almost surely, 2^140232455440 is an apocalyptic number.

140232455440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140232455440 is an abundant number, since it is smaller than the sum of its proper divisors (283933539056).

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

140232455440 is a wasteful number, since it uses less digits than its factorization.

140232455440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989837 (or 989831 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 140232455440 its reverse (44554232041), we get a palindrome (184786687481).

The spelling of 140232455440 in words is "one hundred forty billion, two hundred thirty-two million, four hundred fifty-five thousand, four hundred forty".