4155505244 has 24 divisors (see below), whose sum is σ = 7937960688. Its totient is φ = 1887741440.

The previous prime is 4155505241. The next prime is 4155505247. The reversal of 4155505244 is 4425055514.

It is an interprime number because it is at equal distance from previous prime (4155505241) and next prime (4155505247).

It is a super-2 number, since 2×4155505244² = 34536447665822999072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155505241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49004 + ... + 103500.

It is an arithmetic number, because the mean of its divisors is an integer number (330748362).

Almost surely, 2^4155505244 is an apocalyptic number.

4155505244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4155505244 is a deficient number, since it is larger than the sum of its proper divisors (3782455444).

4155505244 is a wasteful number, since it uses less digits than its factorization.

4155505244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56245 (or 56243 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 4155505244 is about 64463.2084525739. The cubic root of 4155505244 is about 1607.7108581165.

The spelling of 4155505244 in words is "four billion, one hundred fifty-five million, five hundred five thousand, two hundred forty-four".