2196400008 has 32 divisors (see below), whose sum is σ = 5990182560. Its totient is φ = 665575680.

The previous prime is 2196399979. The next prime is 2196400081. The reversal of 2196400008 is 8000046912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159585 + ... + 4160112.

It is an arithmetic number, because the mean of its divisors is an integer number (187193205).

Almost surely, 2^2196400008 is an apocalyptic number.

It is an amenable number.

2196400008 is an abundant number, since it is smaller than the sum of its proper divisors (3793782552).

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

2196400008 is a wasteful number, since it uses less digits than its factorization.

2196400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8319717 (or 8319713 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2196400008 is about 46865.7658424569. The cubic root of 2196400008 is about 1299.8816476081.

It can be divided in two parts, 2196 and 400008, that added together give a palindrome (402204).

The spelling of 2196400008 in words is "two billion, one hundred ninety-six million, four hundred thousand, eight".