2140412505 has 128 divisors (see below), whose sum is σ = 4437835776. Its totient is φ = 855187200.

The previous prime is 2140412497. The next prime is 2140412507. The reversal of 2140412505 is 5052140412.

It is not a de Polignac number, because 2140412505 - 2³ = 2140412497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140412507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3525912 + ... + 3526518.

It is an arithmetic number, because the mean of its divisors is an integer number (34670592).

Almost surely, 2^2140412505 is an apocalyptic number.

It is an amenable number.

2140412505 is an abundant number, since it is smaller than the sum of its proper divisors (2297423271).

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

2140412505 is a wasteful number, since it uses less digits than its factorization.

2140412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2140412505 is about 46264.5923466316. The cubic root of 2140412505 is about 1288.7415375612.

Adding to 2140412505 its reverse (5052140412), we get a palindrome (7192552917).

The spelling of 2140412505 in words is "two billion, one hundred forty million, four hundred twelve thousand, five hundred five".