2148660080 has 40 divisors (see below), whose sum is σ = 5709298272. Its totient is φ = 736683264.

The previous prime is 2148660079. The next prime is 2148660097. The reversal of 2148660080 is 800668412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2148660080.

It is a congruent number.

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, 1917887 + ... + 1919006.

Almost surely, 2^2148660080 is an apocalyptic number.

2148660080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148660080 is an abundant number, since it is smaller than the sum of its proper divisors (3560638192).

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

2148660080 is a wasteful number, since it uses less digits than its factorization.

2148660080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836913 (or 3836907 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2148660080 is about 46353.6414966505. The cubic root of 2148660080 is about 1290.3947032487.

The spelling of 2148660080 in words is "two billion, one hundred forty-eight million, six hundred sixty thousand, eighty".