2555420405 has 32 divisors (see below), whose sum is σ = 3318485760. Its totient is φ = 1883284480.

The previous prime is 2555420323. The next prime is 2555420411. The reversal of 2555420405 is 5040245552.

2555420405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2555420405 - 2⁸ = 2555420149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1876925 + ... + 1878285.

It is an arithmetic number, because the mean of its divisors is an integer number (103702680).

Almost surely, 2^2555420405 is an apocalyptic number.

It is an amenable number.

2555420405 is a deficient number, since it is larger than the sum of its proper divisors (763065355).

2555420405 is a wasteful number, since it uses less digits than its factorization.

2555420405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 2555420405 is about 50551.1662081104. The cubic root of 2555420405 is about 1367.1645415521.

Adding to 2555420405 its reverse (5040245552), we get a palindrome (7595665957).

The spelling of 2555420405 in words is "two billion, five hundred fifty-five million, four hundred twenty thousand, four hundred five".