2731575666140 has 12 divisors (see below), whose sum is σ = 5736308898936. Its totient is φ = 1092630266448.

The previous prime is 2731575666119. The next prime is 2731575666143. The reversal of 2731575666140 is 416665751372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731575666143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68289391634 + ... + 68289391673.

It is an arithmetic number, because the mean of its divisors is an integer number (478025741578).

Almost surely, 2^{2731575666140} is an apocalyptic number.

2731575666140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731575666140 is an abundant number, since it is smaller than the sum of its proper divisors (3004733232796).

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

2731575666140 is a wasteful number, since it uses less digits than its factorization.

2731575666140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136578783316 (or 136578783314 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 2731575666140 in words is "two trillion, seven hundred thirty-one billion, five hundred seventy-five million, six hundred sixty-six thousand, one hundred forty".