4148665884 has 96 divisors (see below), whose sum is σ = 12351225600. Its totient is φ = 1190998080.

The previous prime is 4148665879. The next prime is 4148665891. The reversal of 4148665884 is 4885668414.

It is a happy number.

It is a super-2 number, since 2×4148665884² = 34422857234131002912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4148665884.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69327 + ... + 114470.

It is an arithmetic number, because the mean of its divisors is an integer number (128658600).

Almost surely, 2^4148665884 is an apocalyptic number.

4148665884 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4148665884 is an abundant number, since it is smaller than the sum of its proper divisors (8202559716).

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

4148665884 is a wasteful number, since it uses less digits than its factorization.

4148665884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183840 (or 183832 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The square root of 4148665884 is about 64410.1380529494. The cubic root of 4148665884 is about 1606.8283540116.

The spelling of 4148665884 in words is "four billion, one hundred forty-eight million, six hundred sixty-five thousand, eight hundred eighty-four".