140442142331232 has 144 divisors (see below), whose sum is σ = 456446393125632. Its totient is φ = 40125497322240.

The previous prime is 140442142331149. The next prime is 140442142331237. The reversal of 140442142331232 is 232133241244041.

140442142331232 is a `hidden beast` number, since 1 + 4 + 0 + 442 + 142 + 33 + 12 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140442142331237) 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 23 ways as a sum of consecutive naturals, for example, 100401757 + ... + 101790947.

It is an arithmetic number, because the mean of its divisors is an integer number (3169766618928).

Almost surely, 2^{140442142331232} is an apocalyptic number.

140442142331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140442142331232 is an abundant number, since it is smaller than the sum of its proper divisors (316004250794400).

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

140442142331232 is a wasteful number, since it uses less digits than its factorization.

140442142331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439361 (or 1439350 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 140442142331232 its reverse (232133241244041), we get a palindrome (372575383575273).

The spelling of 140442142331232 in words is "one hundred forty trillion, four hundred forty-two billion, one hundred forty-two million, three hundred thirty-one thousand, two hundred thirty-two".