4155457557 has 8 divisors (see below), whose sum is σ = 5559521184. Its totient is φ = 2760849488.

The previous prime is 4155457519. The next prime is 4155457561. The reversal of 4155457557 is 7557545514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4155457557 - 2⁷ = 4155457429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155457507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2362863 + ... + 2364620.

It is an arithmetic number, because the mean of its divisors is an integer number (694940148).

Almost surely, 2^4155457557 is an apocalyptic number.

It is an amenable number.

4155457557 is a deficient number, since it is larger than the sum of its proper divisors (1404063627).

4155457557 is a wasteful number, since it uses less digits than its factorization.

4155457557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727779.

The product of its digits is 2450000, while the sum is 48.

The square root of 4155457557 is about 64462.8385738636. The cubic root of 4155457557 is about 1607.7047082666.

The spelling of 4155457557 in words is "four billion, one hundred fifty-five million, four hundred fifty-seven thousand, five hundred fifty-seven".