140012011231440 has 40 divisors (see below), whose sum is σ = 434037234818208. Its totient is φ = 37336536328320.

The previous prime is 140012011231387. The next prime is 140012011231511. The reversal of 140012011231440 is 44132110210041.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140012011231440.

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, 291691689826 + ... + 291691690305.

Almost surely, 2^{140012011231440} is an apocalyptic number.

140012011231440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140012011231440 is an abundant number, since it is smaller than the sum of its proper divisors (294025223586768).

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

140012011231440 is a wasteful number, since it uses less digits than its factorization.

140012011231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583383380147 (or 583383380141 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 140012011231440 its reverse (44132110210041), we get a palindrome (184144121441481).

The spelling of 140012011231440 in words is "one hundred forty trillion, twelve billion, eleven million, two hundred thirty-one thousand, four hundred forty".