140023403044340 has 24 divisors (see below), whose sum is σ = 294275861286792. Its totient is φ = 55966177428480.

The previous prime is 140023403044313. The next prime is 140023403044381. The reversal of 140023403044340 is 43440304320041.

It can be written as a sum of positive squares in 4 ways, for example, as 97451092679824 + 42572310364516 = 9871732^2 + 6524746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140023403044297 and 140023403044306.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2698960241 + ... + 2699012120.

It is an arithmetic number, because the mean of its divisors is an integer number (12261494220283).

Almost surely, 2^{140023403044340} is an apocalyptic number.

140023403044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140023403044340 is an abundant number, since it is smaller than the sum of its proper divisors (154252458242452).

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

140023403044340 is a wasteful number, since it uses less digits than its factorization.

140023403044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397973667 (or 5397973665 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 140023403044340 its reverse (43440304320041), we get a palindrome (183463707364381).

The spelling of 140023403044340 in words is "one hundred forty trillion, twenty-three billion, four hundred three million, forty-four thousand, three hundred forty".