4080400008 has 32 divisors (see below), whose sum is σ = 10644523200. Its totient is φ = 1300996928.

The previous prime is 4080400003. The next prime is 4080400019. The reversal of 4080400008 is 8000040804.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (4080400003) 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, 3695463 + ... + 3696566.

It is an arithmetic number, because the mean of its divisors is an integer number (332641350).

Almost surely, 2^4080400008 is an apocalyptic number.

It is an amenable number.

4080400008 is an abundant number, since it is smaller than the sum of its proper divisors (6564123192).

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

4080400008 is a wasteful number, since it uses less digits than its factorization.

4080400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392061 (or 7392057 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 4080400008 is about 63878.0087980206. The cubic root of 4080400008 is about 1597.9661668388.

The spelling of 4080400008 in words is "four billion, eighty million, four hundred thousand, eight".