2544026542 has 4 divisors (see below), whose sum is σ = 3816039816. Its totient is φ = 1272013270.

The previous prime is 2544026503. The next prime is 2544026549. The reversal of 2544026542 is 2456204452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2544026498 and 2544026507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544026549) by changing a digit.

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 as a sum of consecutive naturals, namely, 636006634 + ... + 636006637.

It is an arithmetic number, because the mean of its divisors is an integer number (954009954).

Almost surely, 2^2544026542 is an apocalyptic number.

2544026542 is a deficient number, since it is larger than the sum of its proper divisors (1272013274).

2544026542 is a wasteful number, since it uses less digits than its factorization.

2544026542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272013273.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 2544026542 is about 50438.3439656775. The cubic root of 2544026542 is about 1365.1295868242.

The spelling of 2544026542 in words is "two billion, five hundred forty-four million, twenty-six thousand, five hundred forty-two".