8440808408 has 16 divisors (see below), whose sum is σ = 16125130080. Its totient is φ = 4140773728.

The previous prime is 8440808357. The next prime is 8440808413. The reversal of 8440808408 is 8048080448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9953360 + ... + 9954207.

It is an arithmetic number, because the mean of its divisors is an integer number (1007820630).

Almost surely, 2^8440808408 is an apocalyptic number.

It is an amenable number.

8440808408 is a deficient number, since it is larger than the sum of its proper divisors (7684321672).

8440808408 is a wasteful number, since it uses less digits than its factorization.

8440808408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19907626 (or 19907622 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The square root of 8440808408 is about 91873.8722815143. The cubic root of 8440808408 is about 2036.0792636300.

The spelling of 8440808408 in words is "eight billion, four hundred forty million, eight hundred eight thousand, four hundred eight".