6426108440 has 32 divisors (see below), whose sum is σ = 14695778160. Its totient is φ = 2528304000.

The previous prime is 6426108421. The next prime is 6426108457. The reversal of 6426108440 is 448016246.

It is a self number, because there is not a number n which added to its sum of digits gives 6426108440.

It is a congruent number.

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, 1314386 + ... + 1319265.

Almost surely, 2^6426108440 is an apocalyptic number.

It is an amenable number.

6426108440 is an abundant number, since it is smaller than the sum of its proper divisors (8269669720).

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

6426108440 is a wasteful number, since it uses less digits than its factorization.

6426108440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633723 (or 2633719 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 6426108440 is about 80163.0116699716. The cubic root of 6426108440 is about 1859.1567881822.

The spelling of 6426108440 in words is "six billion, four hundred twenty-six million, one hundred eight thousand, four hundred forty".