2540107445 has 8 divisors (see below), whose sum is σ = 3227430744. Its totient is φ = 1912551424.

The previous prime is 2540107429. The next prime is 2540107457. The reversal of 2540107445 is 5447010452.

It can be written as a sum of positive squares in 4 ways, for example, as 290123089 + 2249984356 = 17033^2 + 47434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540107445 - 2⁴ = 2540107429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14941724 + ... + 14941893.

It is an arithmetic number, because the mean of its divisors is an integer number (403428843).

Almost surely, 2^2540107445 is an apocalyptic number.

It is an amenable number.

2540107445 is a deficient number, since it is larger than the sum of its proper divisors (687323299).

2540107445 is a wasteful number, since it uses less digits than its factorization.

2540107445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29883639.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2540107445 is about 50399.4786183349. The cubic root of 2540107445 is about 1364.4282281952.

Adding to 2540107445 its reverse (5447010452), we get a palindrome (7987117897).

The spelling of 2540107445 in words is "two billion, five hundred forty million, one hundred seven thousand, four hundred forty-five".