140322031431040 has 64 divisors (see below), whose sum is σ = 335467181316960. Its totient is φ = 56127168663552.

The previous prime is 140322031430993. The next prime is 140322031431041. The reversal of 140322031431040 is 40134130223041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140322031431041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18775684 + ... + 25162876.

Almost surely, 2^{140322031431040} is an apocalyptic number.

140322031431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140322031431040 is an abundant number, since it is smaller than the sum of its proper divisors (195145149885920).

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

140322031431040 is an equidigital number, since it uses as much as digits as its factorization.

140322031431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421539 (or 6421527 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 140322031431040 its reverse (40134130223041), we get a palindrome (180456161654081).

The spelling of 140322031431040 in words is "one hundred forty trillion, three hundred twenty-two billion, thirty-one million, four hundred thirty-one thousand, forty".