1428815942748 has 72 divisors (see below), whose sum is σ = 3808084600320. Its totient is φ = 450461567520.

The previous prime is 1428815942717. The next prime is 1428815942759. The reversal of 1428815942748 is 8472495188241.

1428815942748 is a `hidden beast` number, since 1 + 42 + 8 + 81 + 59 + 427 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1305498 + ... + 2135873.

Almost surely, 2^{1428815942748} is an apocalyptic number.

1428815942748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1428815942748 is an abundant number, since it is smaller than the sum of its proper divisors (2379268657572).

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

1428815942748 is a wasteful number, since it uses less digits than its factorization.

1428815942748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442007 (or 3442002 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 63.

The spelling of 1428815942748 in words is "one trillion, four hundred twenty-eight billion, eight hundred fifteen million, nine hundred forty-two thousand, seven hundred forty-eight".