4542138101806 has 64 divisors (see below), whose sum is σ = 7219185523200. Its totient is φ = 2140786851840.

The previous prime is 4542138101801. The next prime is 4542138101807. The reversal of 4542138101806 is 6081018312454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542138101801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170801571 + ... + 170828161.

It is an arithmetic number, because the mean of its divisors is an integer number (112799773800).

Almost surely, 2^{4542138101806} is an apocalyptic number.

4542138101806 is a deficient number, since it is larger than the sum of its proper divisors (2677047421394).

4542138101806 is a wasteful number, since it uses less digits than its factorization.

4542138101806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27229.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 4542138101806 in words is "four trillion, five hundred forty-two billion, one hundred thirty-eight million, one hundred one thousand, eight hundred six".