4157550906 has 16 divisors (see below), whose sum is σ = 8804225664. Its totient is φ = 1304329664.

The previous prime is 4157550899. The next prime is 4157550907. The reversal of 4157550906 is 6090557514.

It is not an unprimeable number, because it can be changed into a prime (4157550907) 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, 20380050 + ... + 20380253.

It is an arithmetic number, because the mean of its divisors is an integer number (550264104).

Almost surely, 2^4157550906 is an apocalyptic number.

4157550906 is an abundant number, since it is smaller than the sum of its proper divisors (4646674758).

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

4157550906 is a wasteful number, since it uses less digits than its factorization.

4157550906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40760325.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 4157550906 is about 64479.0733959476. The cubic root of 4157550906 is about 1607.9746281670.

The spelling of 4157550906 in words is "four billion, one hundred fifty-seven million, five hundred fifty thousand, nine hundred six".