7109208040 has 64 divisors (see below), whose sum is σ = 17514558720. Its totient is φ = 2575584000.

The previous prime is 7109208037. The next prime is 7109208049. The reversal of 7109208040 is 408029017.

It is a junction number, because it is equal to n+sod(n) for n = 7109207993 and 7109208011.

It is not an unprimeable number, because it can be changed into a prime (7109208049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89430 + ... + 149050.

It is an arithmetic number, because the mean of its divisors is an integer number (273664980).

Almost surely, 2^7109208040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7109208040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8757279360).

7109208040 is an abundant number, since it is smaller than the sum of its proper divisors (10405350680).

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

7109208040 is a wasteful number, since it uses less digits than its factorization.

7109208040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59914 (or 59910 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7109208040 is about 84316.1196925001. The cubic root of 7109208040 is about 1922.8278678032.

The spelling of 7109208040 in words is "seven billion, one hundred nine million, two hundred eight thousand, forty".