2134444140 has 36 divisors (see below), whose sum is σ = 6474481104. Its totient is φ = 569185056.

The previous prime is 2134444099. The next prime is 2134444157. The reversal of 2134444140 is 414444312.

2134444140 is a `hidden beast` number, since 213 + 4 + 4 + 441 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5928832 + ... + 5929191.

Almost surely, 2^2134444140 is an apocalyptic number.

2134444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134444140 is an abundant number, since it is smaller than the sum of its proper divisors (4340036964).

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

2134444140 is a wasteful number, since it uses less digits than its factorization.

2134444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11858038 (or 11858033 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 2134444140 is about 46200.0448051731. The cubic root of 2134444140 is about 1287.5425723818.

Adding to 2134444140 its reverse (414444312), we get a palindrome (2548888452).

The spelling of 2134444140 in words is "two billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred forty".