2148878976 has 64 divisors (see below), whose sum is σ = 5749764480. Its totient is φ = 711047168.

The previous prime is 2148878957. The next prime is 2148879001. The reversal of 2148878976 is 6798788412.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32185 + ... + 73031.

It is an arithmetic number, because the mean of its divisors is an integer number (89840070).

Almost surely, 2^2148878976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148878976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874882240).

2148878976 is an abundant number, since it is smaller than the sum of its proper divisors (3600885504).

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

2148878976 is a wasteful number, since it uses less digits than its factorization.

2148878976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41001 (or 40989 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The square root of 2148878976 is about 46356.0025886616. The cubic root of 2148878976 is about 1290.4385216653.

The spelling of 2148878976 in words is "two billion, one hundred forty-eight million, eight hundred seventy-eight thousand, nine hundred seventy-six".