2140550405 has 8 divisors (see below), whose sum is σ = 2935612032. Its totient is φ = 1467805968.

The previous prime is 2140550383. The next prime is 2140550413. The reversal of 2140550405 is 5040550412.

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 2140550405 - 2¹⁰ = 2140549381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30579257 + ... + 30579326.

It is an arithmetic number, because the mean of its divisors is an integer number (366951504).

Almost surely, 2^2140550405 is an apocalyptic number.

It is an amenable number.

2140550405 is a deficient number, since it is larger than the sum of its proper divisors (795061627).

2140550405 is an equidigital number, since it uses as much as digits as its factorization.

2140550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61158595.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2140550405 is about 46266.0826632210. The cubic root of 2140550405 is about 1288.7692134790.

The spelling of 2140550405 in words is "two billion, one hundred forty million, five hundred fifty thousand, four hundred five".