4155043140 has 72 divisors (see below), whose sum is σ = 12817284480. Its totient is φ = 1089228864.

The previous prime is 4155043129. The next prime is 4155043159. The reversal of 4155043140 is 413405514.

It is a happy number.

4155043140 is a `hidden beast` number, since 4 + 15 + 504 + 3 + 140 = 666.

It is a super-3 number, since 3×4155043140³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185004 + ... + 206243.

It is an arithmetic number, because the mean of its divisors is an integer number (178017840).

Almost surely, 2^4155043140 is an apocalyptic number.

It is an amenable number.

4155043140 is an abundant number, since it is smaller than the sum of its proper divisors (8662241340).

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

4155043140 is a wasteful number, since it uses less digits than its factorization.

4155043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391321 (or 391316 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4155043140 is about 64459.6241068779. The cubic root of 4155043140 is about 1607.6512619010.

Adding to 4155043140 its reverse (413405514), we get a palindrome (4568448654).

The spelling of 4155043140 in words is "four billion, one hundred fifty-five million, forty-three thousand, one hundred forty".