1391484848220 has 96 divisors (see below), whose sum is σ = 4400032338240. Its totient is φ = 364979623680.

The previous prime is 1391484848219. The next prime is 1391484848261. The reversal of 1391484848220 is 228484841931.

1391484848220 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 484 + 84 + 82 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 21088567 + ... + 21154446.

It is an arithmetic number, because the mean of its divisors is an integer number (45833670190).

Almost surely, 2^{1391484848220} is an apocalyptic number.

1391484848220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1391484848220 is an abundant number, since it is smaller than the sum of its proper divisors (3008547490020).

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

1391484848220 is a wasteful number, since it uses less digits than its factorization.

1391484848220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42243092 (or 42243084 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 1391484848220 in words is "one trillion, three hundred ninety-one billion, four hundred eighty-four million, eight hundred forty-eight thousand, two hundred twenty".