2130442155 has 40 divisors (see below), whose sum is σ = 3822390000. Its totient is φ = 1135232064.

The previous prime is 2130442121. The next prime is 2130442163. The reversal of 2130442155 is 5512440312.

2130442155 is a `hidden beast` number, since 213 + 0 + 442 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 2130442155 - 2¹¹ = 2130440107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 787996 + ... + 790694.

It is an arithmetic number, because the mean of its divisors is an integer number (95559750).

Almost surely, 2^2130442155 is an apocalyptic number.

2130442155 is a deficient number, since it is larger than the sum of its proper divisors (1691947845).

2130442155 is a wasteful number, since it uses less digits than its factorization.

2130442155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2130442155 is about 46156.7130003860. The cubic root of 2130442155 is about 1286.7373744853.

Adding to 2130442155 its reverse (5512440312), we get a palindrome (7642882467).

The spelling of 2130442155 in words is "two billion, one hundred thirty million, four hundred forty-two thousand, one hundred fifty-five".