4254440155 has 16 divisors (see below), whose sum is σ = 6022877184. Its totient is φ = 2823222240.

The previous prime is 4254440131. The next prime is 4254440173. The reversal of 4254440155 is 5510444524.

It is not a de Polignac number, because 4254440155 - 2⁵ = 4254440123 is a prime.

It is a super-2 number, since 2×4254440155² = 36200522064952848050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4254440155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959487 + ... + 1961656.

It is an arithmetic number, because the mean of its divisors is an integer number (376429824).

Almost surely, 2^4254440155 is an apocalyptic number.

4254440155 is a deficient number, since it is larger than the sum of its proper divisors (1768437029).

4254440155 is a wasteful number, since it uses less digits than its factorization.

4254440155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921186.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 4254440155 is about 65226.0695964428. The cubic root of 4254440155 is about 1620.3697975846.

Adding to 4254440155 its reverse (5510444524), we get a palindrome (9764884679).

The spelling of 4254440155 in words is "four billion, two hundred fifty-four million, four hundred forty thousand, one hundred fifty-five".