2940665054581 has 8 divisors (see below), whose sum is σ = 3042947052800. Its totient is φ = 2838846921120.

The previous prime is 2940665054557. The next prime is 2940665054603. The reversal of 2940665054581 is 1854505660492.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2940665054581 - 2¹⁵ = 2940665021813 is a prime.

It is a super-2 number, since 2×2940665054581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940665054281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115953291 + ... + 115978648.

It is an arithmetic number, because the mean of its divisors is an integer number (380368381600).

Almost surely, 2^{2940665054581} is an apocalyptic number.

It is an amenable number.

2940665054581 is a deficient number, since it is larger than the sum of its proper divisors (102281998219).

2940665054581 is a wasteful number, since it uses less digits than its factorization.

2940665054581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231932379.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 2940665054581 in words is "two trillion, nine hundred forty billion, six hundred sixty-five million, fifty-four thousand, five hundred eighty-one".