2140065534378 has 32 divisors (see below), whose sum is σ = 4283725824000. Its totient is φ = 712756269936.

The previous prime is 2140065534353. The next prime is 2140065534379. The reversal of 2140065534378 is 8734355600412.

It is not an unprimeable number, because it can be changed into a prime (2140065534379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44207575 + ... + 44255957.

It is an arithmetic number, because the mean of its divisors is an integer number (133866432000).

Almost surely, 2^{2140065534378} is an apocalyptic number.

2140065534378 is an abundant number, since it is smaller than the sum of its proper divisors (2143660289622).

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

2140065534378 is a wasteful number, since it uses less digits than its factorization.

2140065534378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54426.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 2140065534378 in words is "two trillion, one hundred forty billion, sixty-five million, five hundred thirty-four thousand, three hundred seventy-eight".