4155405055 has 16 divisors (see below), whose sum is σ = 5234471424. Its totient is φ = 3160732960.

The previous prime is 4155405049. The next prime is 4155405071. The reversal of 4155405055 is 5505045514.

It is a de Polignac number, because none of the positive numbers 2^k-4155405055 is a prime.

It is a super-2 number, since 2×4155405055² = 34534782342239106050, 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 4155405055.

It is a congruent number.

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, 88981 + ... + 127390.

It is an arithmetic number, because the mean of its divisors is an integer number (327154464).

Almost surely, 2^4155405055 is an apocalyptic number.

4155405055 is a deficient number, since it is larger than the sum of its proper divisors (1079066369).

4155405055 is a wasteful number, since it uses less digits than its factorization.

4155405055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216566.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 4155405055 is about 64462.4313457071. The cubic root of 4155405055 is about 1607.6979374063.

The spelling of 4155405055 in words is "four billion, one hundred fifty-five million, four hundred five thousand, fifty-five".