140434332431420 has 48 divisors (see below), whose sum is σ = 297243866215296. Its totient is φ = 55729819080000.

The previous prime is 140434332431389. The next prime is 140434332431423. The reversal of 140434332431420 is 24134233434041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434332431423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409395 + ... + 16931445.

It is an arithmetic number, because the mean of its divisors is an integer number (6192580546152).

Almost surely, 2^{140434332431420} is an apocalyptic number.

140434332431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140434332431420 is an abundant number, since it is smaller than the sum of its proper divisors (156809533783876).

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

140434332431420 is a wasteful number, since it uses less digits than its factorization.

140434332431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525882 (or 14525880 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 140434332431420 its reverse (24134233434041), we get a palindrome (164568565865461).

The spelling of 140434332431420 in words is "one hundred forty trillion, four hundred thirty-four billion, three hundred thirty-two million, four hundred thirty-one thousand, four hundred twenty".