1648421059140 has 96 divisors (see below), whose sum is σ = 5129238240000. Its totient is φ = 439508906496.

The previous prime is 1648421059121. The next prime is 1648421059193. The reversal of 1648421059140 is 419501248461.

1648421059140 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 4 + 2 + 10 + 591 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3193836 + ... + 3673884.

It is an arithmetic number, because the mean of its divisors is an integer number (53429565000).

Almost surely, 2^{1648421059140} is an apocalyptic number.

1648421059140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648421059140 is an abundant number, since it is smaller than the sum of its proper divisors (3480817180860).

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

1648421059140 is a wasteful number, since it uses less digits than its factorization.

1648421059140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486426 (or 486418 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1648421059140 in words is "one trillion, six hundred forty-eight billion, four hundred twenty-one million, fifty-nine thousand, one hundred forty".