3148217856 has 360 divisors, whose sum is σ = 10770274944. Its totient is φ = 882524160.

The previous prime is 3148217833. The next prime is 3148217881. The reversal of 3148217856 is 6587128413.

It is a super-2 number, since 2×3148217856² = 19822551337674473472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16482721 + ... + 16482911.

Almost surely, 2^3148217856 is an apocalyptic number.

3148217856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3148217856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5385137472).

3148217856 is an abundant number, since it is smaller than the sum of its proper divisors (7622057088).

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

3148217856 is a wasteful number, since it uses less digits than its factorization.

3148217856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 276 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3148217856 is about 56108.9819547637. The cubic root of 3148217856 is about 1465.6207080590.

The spelling of 3148217856 in words is "three billion, one hundred forty-eight million, two hundred seventeen thousand, eight hundred fifty-six".