6982205440 has 152 divisors (see below), whose sum is σ = 19176321312. Its totient is φ = 2390753280.

The previous prime is 6982205393. The next prime is 6982205449. The reversal of 6982205440 is 445022896.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6982205393 and 6982205402.

It is not an unprimeable number, because it can be changed into a prime (6982205449) 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, 9174660 + ... + 9175420.

Almost surely, 2^6982205440 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 6982205440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9588160656).

6982205440 is an abundant number, since it is smaller than the sum of its proper divisors (12194115872).

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

6982205440 is an frugal number, since it uses more digits than its factorization.

6982205440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6982205440 is about 83559.5921483584. The cubic root of 6982205440 is about 1911.3088659414.

The spelling of 6982205440 in words is "six billion, nine hundred eighty-two million, two hundred five thousand, four hundred forty".