2148446364 has 12 divisors (see below), whose sum is σ = 5013041544. Its totient is φ = 716148784.

The previous prime is 2148446357. The next prime is 2148446389. The reversal of 2148446364 is 4636448412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89518587 + ... + 89518610.

It is an arithmetic number, because the mean of its divisors is an integer number (417753462).

Almost surely, 2^2148446364 is an apocalyptic number.

It is an amenable number.

2148446364 is an abundant number, since it is smaller than the sum of its proper divisors (2864595180).

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

2148446364 is a wasteful number, since it uses less digits than its factorization.

2148446364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179037204 (or 179037202 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 2148446364 is about 46351.3361619706. The cubic root of 2148446364 is about 1290.3519188889.

The spelling of 2148446364 in words is "two billion, one hundred forty-eight million, four hundred forty-six thousand, three hundred sixty-four".