4009557157 has 8 divisors (see below), whose sum is σ = 4115946240. Its totient is φ = 3903577440.

The previous prime is 4009557119. The next prime is 4009557187. The reversal of 4009557157 is 7517559004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4009557157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009557187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82443 + ... + 121720.

It is an arithmetic number, because the mean of its divisors is an integer number (514493280).

Almost surely, 2^4009557157 is an apocalyptic number.

It is an amenable number.

4009557157 is a deficient number, since it is larger than the sum of its proper divisors (106389083).

4009557157 is a wasteful number, since it uses less digits than its factorization.

4009557157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204683.

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 4009557157 is about 63321.0640861317. The cubic root of 4009557157 is about 1588.6642998365.

The spelling of 4009557157 in words is "four billion, nine million, five hundred fifty-seven thousand, one hundred fifty-seven".