1408128528 has 20 divisors (see below), whose sum is σ = 3637665488. Its totient is φ = 469376160.

The previous prime is 1408128521. The next prime is 1408128569. The reversal of 1408128528 is 8258218041.

It is not an unprimeable number, because it can be changed into a prime (1408128521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14667958 + ... + 14668053.

Almost surely, 2^1408128528 is an apocalyptic number.

It is an amenable number.

1408128528 is an abundant number, since it is smaller than the sum of its proper divisors (2229536960).

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

1408128528 is a wasteful number, since it uses less digits than its factorization.

1408128528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29336022 (or 29336016 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1408128528 is about 37525.0386808595. The cubic root of 1408128528 is about 1120.8498354395.

The spelling of 1408128528 in words is "one billion, four hundred eight million, one hundred twenty-eight thousand, five hundred twenty-eight".