1448217521790 has 64 divisors (see below), whose sum is σ = 3762682785792. Its totient is φ = 354617884800.

The previous prime is 1448217521743. The next prime is 1448217521801. The reversal of 1448217521790 is 971257128441.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 9646396 + ... + 9795375.

It is an arithmetic number, because the mean of its divisors is an integer number (58791918528).

Almost surely, 2^{1448217521790} is an apocalyptic number.

1448217521790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1448217521790 is an abundant number, since it is smaller than the sum of its proper divisors (2314465264002).

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

1448217521790 is a wasteful number, since it uses less digits than its factorization.

1448217521790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441985.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 1448217521790 in words is "one trillion, four hundred forty-eight billion, two hundred seventeen million, five hundred twenty-one thousand, seven hundred ninety".