2051340255 has 32 divisors (see below), whose sum is σ = 3653625600. Its totient is φ = 1092008736.

The previous prime is 2051340253. The next prime is 2051340271. The reversal of 2051340255 is 5520431502.

It is a happy number.

2051340255 is a `hidden beast` number, since 20 + 51 + 340 + 255 = 666.

It is not a de Polignac number, because 2051340255 - 2¹ = 2051340253 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051340253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59956 + ... + 87734.

It is an arithmetic number, because the mean of its divisors is an integer number (114175800).

Almost surely, 2^2051340255 is an apocalyptic number.

2051340255 is a deficient number, since it is larger than the sum of its proper divisors (1602285345).

2051340255 is a wasteful number, since it uses less digits than its factorization.

2051340255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28340 (or 28334 counting only the distinct ones).

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

The square root of 2051340255 is about 45291.7239128740. The cubic root of 2051340255 is about 1270.6108733768.

Adding to 2051340255 its reverse (5520431502), we get a palindrome (7571771757).

The spelling of 2051340255 in words is "two billion, fifty-one million, three hundred forty thousand, two hundred fifty-five".