4255154042442 has 256 divisors, whose sum is σ = 9364045824000. Its totient is φ = 1284887425536.

The previous prime is 4255154042441. The next prime is 4255154042449. The reversal of 4255154042442 is 2442404515524.

It is a junction number, because it is equal to n+sod(n) for n = 4255154042394 and 4255154042403.

It is not an unprimeable number, because it can be changed into a prime (4255154042441) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11110062583 + ... + 11110062965.

It is an arithmetic number, because the mean of its divisors is an integer number (36578304000).

Almost surely, 2^{4255154042442} is an apocalyptic number.

4255154042442 is an abundant number, since it is smaller than the sum of its proper divisors (5108891781558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4255154042442 is a wasteful number, since it uses less digits than its factorization.

4255154042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 4255154042442 its reverse (2442404515524), we get a palindrome (6697558557966).

The spelling of 4255154042442 in words is "four trillion, two hundred fifty-five billion, one hundred fifty-four million, forty-two thousand, four hundred forty-two".