1428657617600 has 84 divisors (see below), whose sum is σ = 3628790474688. Its totient is φ = 553028736000.

The previous prime is 1428657617599. The next prime is 1428657617603. The reversal of 1428657617600 is 67167568241.

It is not an unprimeable number, because it can be changed into a prime (1428657617603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14352191 + ... + 14451390.

Almost surely, 2^{1428657617600} is an apocalyptic number.

1428657617600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428657617600 is an abundant number, since it is smaller than the sum of its proper divisors (2200132857088).

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

1428657617600 is a wasteful number, since it uses less digits than its factorization.

1428657617600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28803634 (or 28803619 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 1428657617600 in words is "one trillion, four hundred twenty-eight billion, six hundred fifty-seven million, six hundred seventeen thousand, six hundred".