2140040120344 has 64 divisors (see below), whose sum is σ = 4616339846400. Its totient is φ = 911055510144.

The previous prime is 2140040120293. The next prime is 2140040120417. The reversal of 2140040120344 is 4430210400412.

It is a congruent number.

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, 32136667 + ... + 32203189.

It is an arithmetic number, because the mean of its divisors is an integer number (72130310100).

Almost surely, 2^{2140040120344} is an apocalyptic number.

It is an amenable number.

2140040120344 is an abundant number, since it is smaller than the sum of its proper divisors (2476299726056).

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

2140040120344 is a wasteful number, since it uses less digits than its factorization.

2140040120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70352 (or 70348 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2140040120344 its reverse (4430210400412), we get a palindrome (6570250520756).

The spelling of 2140040120344 in words is "two trillion, one hundred forty billion, forty million, one hundred twenty thousand, three hundred forty-four".