2540154027 has 4 divisors (see below), whose sum is σ = 3386872040. Its totient is φ = 1693436016.

The previous prime is 2540153969. The next prime is 2540154031. The reversal of 2540154027 is 7204510452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2540154027 - 2⁷ = 2540153899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2540153985 and 2540154003.

It is not an unprimeable number, because it can be changed into a prime (2540154047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 423359002 + ... + 423359007.

It is an arithmetic number, because the mean of its divisors is an integer number (846718010).

Almost surely, 2^2540154027 is an apocalyptic number.

2540154027 is a deficient number, since it is larger than the sum of its proper divisors (846718013).

2540154027 is an equidigital number, since it uses as much as digits as its factorization.

2540154027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846718012.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2540154027 is about 50399.9407440128. The cubic root of 2540154027 is about 1364.4365687095.

Adding to 2540154027 its reverse (7204510452), we get a palindrome (9744664479).

The spelling of 2540154027 in words is "two billion, five hundred forty million, one hundred fifty-four thousand, twenty-seven".