2140401043 has 8 divisors (see below), whose sum is σ = 2335463856. Its totient is φ = 1945418400.

The previous prime is 2140401037. The next prime is 2140401047. The reversal of 2140401043 is 3401040412.

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 2140401043 - 2¹³ = 2140392851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140401043.

It is not an unprimeable number, because it can be changed into a prime (2140401047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44973 + ... + 79393.

It is an arithmetic number, because the mean of its divisors is an integer number (291932982).

Almost surely, 2^2140401043 is an apocalyptic number.

2140401043 is a deficient number, since it is larger than the sum of its proper divisors (195062813).

2140401043 is a wasteful number, since it uses less digits than its factorization.

2140401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40085.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2140401043 is about 46264.4684720359. The cubic root of 2140401043 is about 1288.7392371352.

Adding to 2140401043 its reverse (3401040412), we get a palindrome (5541441455).

The spelling of 2140401043 in words is "two billion, one hundred forty million, four hundred one thousand, forty-three".