4155563272 has 64 divisors (see below), whose sum is σ = 9314196480. Its totient is φ = 1699444032.

The previous prime is 4155563263. The next prime is 4155563297. The reversal of 4155563272 is 2723655514.

It is a super-2 number, since 2×4155563272² = 34537412215190691968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566943 + ... + 574225.

It is an arithmetic number, because the mean of its divisors is an integer number (145534320).

Almost surely, 2^4155563272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155563272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4657098240).

4155563272 is an abundant number, since it is smaller than the sum of its proper divisors (5158633208).

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

4155563272 is a wasteful number, since it uses less digits than its factorization.

4155563272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762 (or 7758 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 4155563272 is about 64463.6585371944. The cubic root of 4155563272 is about 1607.7183415075.

The spelling of 4155563272 in words is "four billion, one hundred fifty-five million, five hundred sixty-three thousand, two hundred seventy-two".