1428468074556 has 12 divisors (see below), whose sum is σ = 3333092173992. Its totient is φ = 476156024848.

The previous prime is 1428468074533. The next prime is 1428468074581. The reversal of 1428468074556 is 6554708648241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1428468074556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59519503095 + ... + 59519503118.

It is an arithmetic number, because the mean of its divisors is an integer number (277757681166).

Almost surely, 2^{1428468074556} is an apocalyptic number.

It is an amenable number.

1428468074556 is an abundant number, since it is smaller than the sum of its proper divisors (1904624099436).

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

1428468074556 is a wasteful number, since it uses less digits than its factorization.

1428468074556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119039006220 (or 119039006218 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 1428468074556 in words is "one trillion, four hundred twenty-eight billion, four hundred sixty-eight million, seventy-four thousand, five hundred fifty-six".