140023312044040 has 32 divisors (see below), whose sum is σ = 316046308443480. Its totient is φ = 55832639245312.

The previous prime is 140023312043959. The next prime is 140023312044151. The reversal of 140023312044040 is 40440213320041.

It can be written as a sum of positive squares in 4 ways, for example, as 43893248539204 + 96130063504836 = 6625198^2 + 9804594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5521411297 + ... + 5521436656.

Almost surely, 2^{140023312044040} is an apocalyptic number.

140023312044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140023312044040 is an abundant number, since it is smaller than the sum of its proper divisors (176022996399440).

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

140023312044040 is a wasteful number, since it uses less digits than its factorization.

140023312044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042848281 (or 11042848277 counting only the distinct ones).

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

Adding to 140023312044040 its reverse (40440213320041), we get a palindrome (180463525364081).

The spelling of 140023312044040 in words is "one hundred forty trillion, twenty-three billion, three hundred twelve million, forty-four thousand, forty".