2555420230442 has 4 divisors (see below), whose sum is σ = 3833130345666. Its totient is φ = 1277710115220.

The previous prime is 2555420230439. The next prime is 2555420230459. The reversal of 2555420230442 is 2440320245552.

2555420230442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1321812389401 + 1233607841041 = 1149701^2 + 1110679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2555420230396 and 2555420230405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638855057609 + ... + 638855057612.

Almost surely, 2^{2555420230442} is an apocalyptic number.

2555420230442 is a deficient number, since it is larger than the sum of its proper divisors (1277710115224).

2555420230442 is a wasteful number, since it uses less digits than its factorization.

2555420230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277710115223.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 2555420230442 its reverse (2440320245552), we get a palindrome (4995740475994).

The spelling of 2555420230442 in words is "two trillion, five hundred fifty-five billion, four hundred twenty million, two hundred thirty thousand, four hundred forty-two".