140440340431000 has 64 divisors (see below), whose sum is σ = 328834139006880. Its totient is φ = 56141308412800.

The previous prime is 140440340430937. The next prime is 140440340431043. The reversal of 140440340431000 is 134043044041.

It is a happy number.

It is a super-2 number, since 2×140440340431000² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140440340431000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41920894 + ... + 45146893.

Almost surely, 2^{140440340431000} is an apocalyptic number.

140440340431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440340431000 is an abundant number, since it is smaller than the sum of its proper divisors (188393798575880).

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

140440340431000 is a wasteful number, since it uses less digits than its factorization.

140440340431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87069421 (or 87069407 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140440340431000 its reverse (134043044041), we get a palindrome (140574383475041).

The spelling of 140440340431000 in words is "one hundred forty trillion, four hundred forty billion, three hundred forty million, four hundred thirty-one thousand".