2731442142726 has 72 divisors (see below), whose sum is σ = 6729358184640. Its totient is φ = 799168006560.

The previous prime is 2731442142719. The next prime is 2731442142739. The reversal of 2731442142726 is 6272412441372.

2731442142726 is a `hidden beast` number, since 27 + 3 + 144 + 214 + 272 + 6 = 666.

It is a super-2 number, since 2×2731442142726² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21559350 + ... + 21685673.

It is an arithmetic number, because the mean of its divisors is an integer number (93463308120).

Almost surely, 2^{2731442142726} is an apocalyptic number.

2731442142726 is an abundant number, since it is smaller than the sum of its proper divisors (3997916041914).

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

2731442142726 is a wasteful number, since it uses less digits than its factorization.

2731442142726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245082 (or 43245068 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 2731442142726 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-two million, one hundred forty-two thousand, seven hundred twenty-six".