2140203555 has 96 divisors (see below), whose sum is σ = 4335851520. Its totient is φ = 956448000.

The previous prime is 2140203551. The next prime is 2140203563. The reversal of 2140203555 is 5553020412.

It is a happy number.

It is not a de Polignac number, because 2140203555 - 2² = 2140203551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140203551) 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 95 ways as a sum of consecutive naturals, for example, 2849430 + ... + 2850180.

It is an arithmetic number, because the mean of its divisors is an integer number (45165120).

Almost surely, 2^2140203555 is an apocalyptic number.

2140203555 is an abundant number, since it is smaller than the sum of its proper divisors (2195647965).

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

2140203555 is a wasteful number, since it uses less digits than its factorization.

2140203555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2140203555 is about 46262.3340850848. The cubic root of 2140203555 is about 1288.6995999586.

Adding to 2140203555 its reverse (5553020412), we get a palindrome (7693223967).

The spelling of 2140203555 in words is "two billion, one hundred forty million, two hundred three thousand, five hundred fifty-five".