1428036488788 has 54 divisors (see below), whose sum is σ = 3147897075246. Its totient is φ = 564937498944.

The previous prime is 1428036488779. The next prime is 1428036488803. The reversal of 1428036488788 is 8878846308241.

It can be written as a sum of positive squares in 3 ways, for example, as 35230539204 + 1392805949584 = 187698^2 + 1180172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21522795 + ... + 21589042.

Almost surely, 2^{1428036488788} is an apocalyptic number.

It is an amenable number.

1428036488788 is an abundant number, since it is smaller than the sum of its proper divisors (1719860586458).

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

1428036488788 is a wasteful number, since it uses less digits than its factorization.

1428036488788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43111881 (or 43111859 counting only the distinct ones).

The product of its (nonzero) digits is 132120576, while the sum is 67.

The spelling of 1428036488788 in words is "one trillion, four hundred twenty-eight billion, thirty-six million, four hundred eighty-eight thousand, seven hundred eighty-eight".