4155445206 has 128 divisors (see below), whose sum is σ = 10497600000. Its totient is φ = 1206898560.

The previous prime is 4155445193. The next prime is 4155445237. The reversal of 4155445206 is 6025445514.

4155445206 is a `hidden beast` number, since 4 + 1 + 5 + 5 + 445 + 206 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2565865 + ... + 2567483.

It is an arithmetic number, because the mean of its divisors is an integer number (82012500).

Almost surely, 2^4155445206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155445206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5248800000).

4155445206 is an abundant number, since it is smaller than the sum of its proper divisors (6342154794).

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

4155445206 is a wasteful number, since it uses less digits than its factorization.

4155445206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 4155445206 is about 64462.7427744119. The cubic root of 4155445206 is about 1607.7031154392.

The spelling of 4155445206 in words is "four billion, one hundred fifty-five million, four hundred forty-five thousand, two hundred six".