240140134021432 has 16 divisors (see below), whose sum is σ = 450735220088640. Its totient is φ = 119944075331136.

The previous prime is 240140134021393. The next prime is 240140134021499. The reversal of 240140134021432 is 234120431041042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240140134021394 and 240140134021403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15748951848 + ... + 15748967095.

It is an arithmetic number, because the mean of its divisors is an integer number (28170951255540).

Almost surely, 2^{240140134021432} is an apocalyptic number.

It is an amenable number.

240140134021432 is a deficient number, since it is larger than the sum of its proper divisors (210595086067208).

240140134021432 is a wasteful number, since it uses less digits than its factorization.

240140134021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497919902 (or 31497919898 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 240140134021432 its reverse (234120431041042), we get a palindrome (474260565062474).

The spelling of 240140134021432 in words is "two hundred forty trillion, one hundred forty billion, one hundred thirty-four million, twenty-one thousand, four hundred thirty-two".