2162450140 has 12 divisors (see below), whose sum is σ = 4541145336. Its totient is φ = 864980048.

The previous prime is 2162450137. The next prime is 2162450141. The reversal of 2162450140 is 410542612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162450141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54061234 + ... + 54061273.

It is an arithmetic number, because the mean of its divisors is an integer number (378428778).

Almost surely, 2^2162450140 is an apocalyptic number.

2162450140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162450140 is an abundant number, since it is smaller than the sum of its proper divisors (2378695196).

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

2162450140 is a wasteful number, since it uses less digits than its factorization.

2162450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108122516 (or 108122514 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2162450140 is about 46502.1519932142. The cubic root of 2162450140 is about 1293.1493947564.

Adding to 2162450140 its reverse (410542612), we get a palindrome (2572992752).

The spelling of 2162450140 in words is "two billion, one hundred sixty-two million, four hundred fifty thousand, one hundred forty".