1428718008 has 32 divisors (see below), whose sum is σ = 3574656000. Its totient is φ = 475857888.

The previous prime is 1428718001. The next prime is 1428718013. The reversal of 1428718008 is 8008178241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428718001) 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, 7593 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (111708000).

Almost surely, 2^1428718008 is an apocalyptic number.

It is an amenable number.

1428718008 is an abundant number, since it is smaller than the sum of its proper divisors (2145937992).

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

1428718008 is a wasteful number, since it uses less digits than its factorization.

1428718008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47691 (or 47687 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1428718008 is about 37798.3863147622. The cubic root of 1428718008 is about 1126.2863989061.

The spelling of 1428718008 in words is "one billion, four hundred twenty-eight million, seven hundred eighteen thousand, eight".