140032144410440 has 64 divisors (see below), whose sum is σ = 334335983065200. Its totient is φ = 52602627022848.

The previous prime is 140032144410343. The next prime is 140032144410481. The reversal of 140032144410440 is 44014441230041.

It can be written as a sum of positive squares in 8 ways, for example, as 135286534863076 + 4745609547364 = 11631274^2 + 2178442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140032144410397 and 140032144410406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224995175 + ... + 225616694.

Almost surely, 2^{140032144410440} is an apocalyptic number.

140032144410440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140032144410440 is an abundant number, since it is smaller than the sum of its proper divisors (194303838654760).

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

140032144410440 is a wasteful number, since it uses less digits than its factorization.

140032144410440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450612354 (or 450612350 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140032144410440 its reverse (44014441230041), we get a palindrome (184046585640481).

The spelling of 140032144410440 in words is "one hundred forty trillion, thirty-two billion, one hundred forty-four million, four hundred ten thousand, four hundred forty".