2148446556000 has 576 divisors, whose sum is σ = 7921419105600. Its totient is φ = 550803456000.

The previous prime is 2148446555989. The next prime is 2148446556041. The reversal of 2148446556000 is 6556448412.

It is a happy number.

2148446556000 is a `hidden beast` number, since 2 + 1 + 4 + 84 + 4 + 6 + 5 + 560 + 0 + 0 = 666.

It is a super-2 number, since 2×2148446556000² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 251599731 + ... + 251608269.

It is an arithmetic number, because the mean of its divisors is an integer number (13752463725).

Almost surely, 2^{2148446556000} is an apocalyptic number.

2148446556000 is a gapful number since it is divisible by the number (20) 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 2148446556000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3960709552800).

2148446556000 is an abundant number, since it is smaller than the sum of its proper divisors (5772972549600).

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

2148446556000 is a wasteful number, since it uses less digits than its factorization.

2148446556000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 2148446556000 in words is "two trillion, one hundred forty-eight billion, four hundred forty-six million, five hundred fifty-six thousand".