2148277472 has 48 divisors (see below), whose sum is σ = 4643421552. Its totient is φ = 970245120.

The previous prime is 2148277423. The next prime is 2148277499. The reversal of 2148277472 is 2747728412.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 35828 + ... + 74700.

It is an arithmetic number, because the mean of its divisors is an integer number (96737949).

Almost surely, 2^2148277472 is an apocalyptic number.

2148277472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148277472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2321710776).

2148277472 is an abundant number, since it is smaller than the sum of its proper divisors (2495144080).

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

2148277472 is a wasteful number, since it uses less digits than its factorization.

2148277472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39051 (or 39043 counting only the distinct ones).

The product of its digits is 351232, while the sum is 44.

The square root of 2148277472 is about 46349.5142585119. The cubic root of 2148277472 is about 1290.3181059546.

The spelling of 2148277472 in words is "two billion, one hundred forty-eight million, two hundred seventy-seven thousand, four hundred seventy-two".