1428068020324 has 27 divisors (see below), whose sum is σ = 2747016123411. Its totient is φ = 649109877240.

The previous prime is 1428068020289. The next prime is 1428068020361. The reversal of 1428068020324 is 4230208608241.

The square root of 1428068020324 is 1195018.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26263237 + ... + 26317555.

Almost surely, 2^{1428068020324} is an apocalyptic number.

1428068020324 is the 1195018-th square number.

It is an amenable number.

1428068020324 is a deficient number, since it is larger than the sum of its proper divisors (1318948103087).

1428068020324 is an frugal number, since it uses more digits than its factorization.

1428068020324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108664 (or 54332 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 1428068020324 in words is "one trillion, four hundred twenty-eight billion, sixty-eight million, twenty thousand, three hundred twenty-four".