2148644124 has 96 divisors (see below), whose sum is σ = 6218446080. Its totient is φ = 635947200.

The previous prime is 2148644111. The next prime is 2148644129. The reversal of 2148644124 is 4214468412.

2148644124 is a `hidden beast` number, since 2 + 1 + 4 + 8 + 644 + 1 + 2 + 4 = 666.

It is a super-3 number, since 3×2148644124³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148644129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30054 + ... + 72114.

It is an arithmetic number, because the mean of its divisors is an integer number (64775480).

Almost surely, 2^2148644124 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 2148644124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109223040).

2148644124 is an abundant number, since it is smaller than the sum of its proper divisors (4069801956).

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

2148644124 is a wasteful number, since it uses less digits than its factorization.

2148644124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42128 (or 42120 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 2148644124 is about 46353.4693847181. The cubic root of 2148644124 is about 1290.3915090738.

The spelling of 2148644124 in words is "two billion, one hundred forty-eight million, six hundred forty-four thousand, one hundred twenty-four".