2140450577 has 4 divisors (see below), whose sum is σ = 2160454896. Its totient is φ = 2120446260.

The previous prime is 2140450553. The next prime is 2140450579. The reversal of 2140450577 is 7750540412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140450577 - 2⁶ = 2140450513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140450579) 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, 10001999 + ... + 10002212.

It is an arithmetic number, because the mean of its divisors is an integer number (540113724).

Almost surely, 2^2140450577 is an apocalyptic number.

It is an amenable number.

2140450577 is a deficient number, since it is larger than the sum of its proper divisors (20004319).

2140450577 is a wasteful number, since it uses less digits than its factorization.

2140450577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004318.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 2140450577 is about 46265.0038041715. The cubic root of 2140450577 is about 1288.7491785614.

Adding to 2140450577 its reverse (7750540412), we get a palindrome (9890990989).

The spelling of 2140450577 in words is "two billion, one hundred forty million, four hundred fifty thousand, five hundred seventy-seven".