2540445415 has 8 divisors (see below), whose sum is σ = 3059868960. Its totient is φ = 2024800032.

The previous prime is 2540445409. The next prime is 2540445421. The reversal of 2540445415 is 5145440452.

It is an interprime number because it is at equal distance from previous prime (2540445409) and next prime (2540445421).

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 2540445415 - 2⁷ = 2540445287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943059 + ... + 945748.

It is an arithmetic number, because the mean of its divisors is an integer number (382483620).

Almost surely, 2^2540445415 is an apocalyptic number.

2540445415 is a deficient number, since it is larger than the sum of its proper divisors (519423545).

2540445415 is a wasteful number, since it uses less digits than its factorization.

2540445415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889081.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 2540445415 is about 50402.8314184828. The cubic root of 2540445415 is about 1364.4887394620.

Adding to 2540445415 its reverse (5145440452), we get a palindrome (7685885867).

The spelling of 2540445415 in words is "two billion, five hundred forty million, four hundred forty-five thousand, four hundred fifteen".