2148269744 has 40 divisors (see below), whose sum is σ = 4348388352. Its totient is φ = 1026941760.

The previous prime is 2148269741. The next prime is 2148269813. The reversal of 2148269744 is 4479628412.

It is not an unprimeable number, because it can be changed into a prime (2148269741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15077 + ... + 67259.

Almost surely, 2^2148269744 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 2148269744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174194176).

2148269744 is an abundant number, since it is smaller than the sum of its proper divisors (2200118608).

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

2148269744 is a wasteful number, since it uses less digits than its factorization.

2148269744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52305 (or 52299 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 2148269744 is about 46349.4308918675. The cubic root of 2148269744 is about 1290.3165587320.

The spelling of 2148269744 in words is "two billion, one hundred forty-eight million, two hundred sixty-nine thousand, seven hundred forty-four".