4155724530 has 48 divisors (see below), whose sum is σ = 11153435904. Its totient is φ = 1072444320.

The previous prime is 4155724519. The next prime is 4155724549. The reversal of 4155724530 is 354275514.

4155724530 is a `hidden beast` number, since 4 + 1 + 55 + 72 + 4 + 530 = 666.

It is a Curzon number.

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, 741964 + ... + 747543.

It is an arithmetic number, because the mean of its divisors is an integer number (232363248).

Almost surely, 2^4155724530 is an apocalyptic number.

4155724530 is an abundant number, since it is smaller than the sum of its proper divisors (6997711374).

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

4155724530 is a wasteful number, since it uses less digits than its factorization.

4155724530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489551 (or 1489548 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 4155724530 is about 64464.9092918000. The cubic root of 4155724530 is about 1607.7391372516.

The spelling of 4155724530 in words is "four billion, one hundred fifty-five million, seven hundred twenty-four thousand, five hundred thirty".