2540324555 has 8 divisors (see below), whose sum is σ = 3070641312. Its totient is φ = 2017425088.

The previous prime is 2540324533. The next prime is 2540324599. The reversal of 2540324555 is 5554230452.

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 2540324555 - 2¹² = 2540320459 is a prime.

It is a super-3 number, since 3×2540324555³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853567 + ... + 1854936.

It is an arithmetic number, because the mean of its divisors is an integer number (383830164).

Almost surely, 2^2540324555 is an apocalyptic number.

2540324555 is a deficient number, since it is larger than the sum of its proper divisors (530316757).

2540324555 is a wasteful number, since it uses less digits than its factorization.

2540324555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708645.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2540324555 is about 50401.6324636415. The cubic root of 2540324555 is about 1364.4671009043.

The spelling of 2540324555 in words is "two billion, five hundred forty million, three hundred twenty-four thousand, five hundred fifty-five".