1428994048880 has 40 divisors (see below), whose sum is σ = 3322476377664. Its totient is φ = 571586400000.

The previous prime is 1428994048879. The next prime is 1428994048987. The reversal of 1428994048880 is 888404998241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4804505 + ... + 5093255.

Almost surely, 2^{1428994048880} is an apocalyptic number.

1428994048880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428994048880 is an abundant number, since it is smaller than the sum of its proper divisors (1893482328784).

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

1428994048880 is a wasteful number, since it uses less digits than its factorization.

1428994048880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350625 (or 350619 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 65.

The spelling of 1428994048880 in words is "one trillion, four hundred twenty-eight billion, nine hundred ninety-four million, forty-eight thousand, eight hundred eighty".