5042849805 has 160 divisors (see below), whose sum is σ = 10616094720. Its totient is φ = 2242753920.

The previous prime is 5042849789. The next prime is 5042849807. The reversal of 5042849805 is 5089482405.

5042849805 is a `hidden beast` number, since 504 + 28 + 49 + 80 + 5 = 666.

It is not a de Polignac number, because 5042849805 - 2⁴ = 5042849789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042849807) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 26402260 + ... + 26402450.

It is an arithmetic number, because the mean of its divisors is an integer number (66350592).

Almost surely, 2^5042849805 is an apocalyptic number.

It is an amenable number.

5042849805 is an abundant number, since it is smaller than the sum of its proper divisors (5573244915).

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

5042849805 is a wasteful number, since it uses less digits than its factorization.

5042849805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 5042849805 is about 71013.0256009417. The cubic root of 5042849805 is about 1714.8468675870.

It can be divided in two parts, 504284 and 9805, that added together give a square (514089 = 717²).

The spelling of 5042849805 in words is "five billion, forty-two million, eight hundred forty-nine thousand, eight hundred five".