2140401445 has 16 divisors (see below), whose sum is σ = 3161208960. Its totient is φ = 1354803264.

The previous prime is 2140401421. The next prime is 2140401451. The reversal of 2140401445 is 5441040412.

It is a cyclic number.

It is not a de Polignac number, because 2140401445 - 2¹¹ = 2140399397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351635 + ... + 2352544.

It is an arithmetic number, because the mean of its divisors is an integer number (197575560).

Almost surely, 2^2140401445 is an apocalyptic number.

It is an amenable number.

2140401445 is a deficient number, since it is larger than the sum of its proper divisors (1020807515).

2140401445 is a wasteful number, since it uses less digits than its factorization.

2140401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704204.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2140401445 is about 46264.4728166225. The cubic root of 2140401445 is about 1288.7393178168.

Adding to 2140401445 its reverse (5441040412), we get a palindrome (7581441857).

The spelling of 2140401445 in words is "two billion, one hundred forty million, four hundred one thousand, four hundred forty-five".