3784890005448 has 32 divisors (see below), whose sum is σ = 9663548952960. Its totient is φ = 1234786809920.

The previous prime is 3784890005447. The next prime is 3784890005461. The reversal of 3784890005448 is 8445000984873.

It is a happy number.

3784890005448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3784890005448² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3784890005391 and 3784890005400.

It is not an unprimeable number, because it can be changed into a prime (3784890005441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677698343 + ... + 1677700598.

It is an arithmetic number, because the mean of its divisors is an integer number (301985904780).

Almost surely, 2^{3784890005448} is an apocalyptic number.

It is an amenable number.

3784890005448 is an abundant number, since it is smaller than the sum of its proper divisors (5878658947512).

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

3784890005448 is a wasteful number, since it uses less digits than its factorization.

3784890005448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355398997 (or 3355398993 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 3784890005448 in words is "three trillion, seven hundred eighty-four billion, eight hundred ninety million, five thousand, four hundred forty-eight".