2140395855 has 16 divisors (see below), whose sum is σ = 3688067040. Its totient is φ = 1053733248.

The previous prime is 2140395841. The next prime is 2140395911. The reversal of 2140395855 is 5585930412.

It is not a de Polignac number, because 2140395855 - 2⁸ = 2140395599 is a prime.

It is a super-2 number, since 2×2140395855² = 9162588832202362050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5488000 + ... + 5488389.

It is an arithmetic number, because the mean of its divisors is an integer number (230504190).

Almost surely, 2^2140395855 is an apocalyptic number.

2140395855 is a deficient number, since it is larger than the sum of its proper divisors (1547671185).

2140395855 is a wasteful number, since it uses less digits than its factorization.

2140395855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976410.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 2140395855 is about 46264.4124030555. The cubic root of 2140395855 is about 1288.7381958997.

The spelling of 2140395855 in words is "two billion, one hundred forty million, three hundred ninety-five thousand, eight hundred fifty-five".