1428684921600 has 108 divisors (see below), whose sum is σ = 4714957947336. Its totient is φ = 380982640640.

The previous prime is 1428684921527. The next prime is 1428684921683. The reversal of 1428684921600 is 61294868241.

It is a super-2 number, since 2×1428684921600² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37186137 + ... + 37224536.

Almost surely, 2^{1428684921600} is an apocalyptic number.

1428684921600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428684921600 is an abundant number, since it is smaller than the sum of its proper divisors (3286273025736).

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

1428684921600 is an equidigital number, since it uses as much as digits as its factorization.

1428684921600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74410702 (or 74410683 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 1428684921600 in words is "one trillion, four hundred twenty-eight billion, six hundred eighty-four million, nine hundred twenty-one thousand, six hundred".