2555340542 has 4 divisors (see below), whose sum is σ = 3833010816. Its totient is φ = 1277670270.

The previous prime is 2555340527. The next prime is 2555340547. The reversal of 2555340542 is 2450435552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555340547) 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 as a sum of consecutive naturals, namely, 638835134 + ... + 638835137.

It is an arithmetic number, because the mean of its divisors is an integer number (958252704).

Almost surely, 2^2555340542 is an apocalyptic number.

2555340542 is a deficient number, since it is larger than the sum of its proper divisors (1277670274).

2555340542 is a wasteful number, since it uses less digits than its factorization.

2555340542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277670273.

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

The square root of 2555340542 is about 50550.3762795095. The cubic root of 2555340542 is about 1367.1502990164.

The spelling of 2555340542 in words is "two billion, five hundred fifty-five million, three hundred forty thousand, five hundred forty-two".