2140424081 has 8 divisors (see below), whose sum is σ = 2256141600. Its totient is φ = 2025012960.

The previous prime is 2140424053. The next prime is 2140424093. The reversal of 2140424081 is 1804240412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140424081 is a prime.

It is a super-2 number, since 2×2140424081² = 9162830493049389122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2140424081.

It is not an unprimeable number, because it can be changed into a prime (2140424381) by changing a digit.

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, 62180 + ... + 90261.

It is an arithmetic number, because the mean of its divisors is an integer number (282017700).

Almost surely, 2^2140424081 is an apocalyptic number.

It is an amenable number.

2140424081 is a deficient number, since it is larger than the sum of its proper divisors (115717519).

2140424081 is a wasteful number, since it uses less digits than its factorization.

2140424081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153199.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 2140424081 is about 46264.7174529360. The cubic root of 2140424081 is about 1288.7438608587.

Adding to 2140424081 its reverse (1804240412), we get a palindrome (3944664493).

The spelling of 2140424081 in words is "two billion, one hundred forty million, four hundred twenty-four thousand, eighty-one".