140044231203440 has 40 divisors (see below), whose sum is σ = 325614344556480. Its totient is φ = 56015712781056.

The previous prime is 140044231203427. The next prime is 140044231203479. The reversal of 140044231203440 is 44302132440041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×140044231203440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140044231203397 and 140044231203406.

It is a congruent number.

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, 28653944 + ... + 33183383.

It is an arithmetic number, because the mean of its divisors is an integer number (8140358613912).

Almost surely, 2^{140044231203440} is an apocalyptic number.

140044231203440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140044231203440 is an abundant number, since it is smaller than the sum of its proper divisors (185570113353040).

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

140044231203440 is a wasteful number, since it uses less digits than its factorization.

140044231203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61865649 (or 61865643 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140044231203440 its reverse (44302132440041), we get a palindrome (184346363643481).

The spelling of 140044231203440 in words is "one hundred forty trillion, forty-four billion, two hundred thirty-one million, two hundred three thousand, four hundred forty".