2140443555 has 16 divisors (see below), whose sum is σ = 3443635104. Its totient is φ = 1135261440.

The previous prime is 2140443553. The next prime is 2140443559. The reversal of 2140443555 is 5553440412.

It is not a de Polignac number, because 2140443555 - 2¹ = 2140443553 is a prime.

It is a super-2 number, since 2×2140443555² = 9162997224282076050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140443553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391474 + ... + 396903.

It is an arithmetic number, because the mean of its divisors is an integer number (215227194).

Almost surely, 2^2140443555 is an apocalyptic number.

2140443555 is a deficient number, since it is larger than the sum of its proper divisors (1303191549).

2140443555 is a wasteful number, since it uses less digits than its factorization.

2140443555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788566.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2140443555 is about 46264.9279152146. The cubic root of 2140443555 is about 1288.7477692621.

Adding to 2140443555 its reverse (5553440412), we get a palindrome (7693883967).

The spelling of 2140443555 in words is "two billion, one hundred forty million, four hundred forty-three thousand, five hundred fifty-five".