1421044217760 has 96 divisors (see below), whose sum is σ = 4597270134912. Its totient is φ = 368703360000.

The previous prime is 1421044217717. The next prime is 1421044217777. The reversal of 1421044217760 is 677124401241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39989116 + ... + 40024635.

It is an arithmetic number, because the mean of its divisors is an integer number (47888230572).

Almost surely, 2^{1421044217760} is an apocalyptic number.

1421044217760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421044217760 is an abundant number, since it is smaller than the sum of its proper divisors (3176225917152).

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

1421044217760 is a wasteful number, since it uses less digits than its factorization.

1421044217760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80013806 (or 80013798 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 1421044217760 in words is "one trillion, four hundred twenty-one billion, forty-four million, two hundred seventeen thousand, seven hundred sixty".