4048968438 has 128 divisors (see below), whose sum is σ = 10465459200. Its totient is φ = 1150972416.

The previous prime is 4048968431. The next prime is 4048968439. The reversal of 4048968438 is 8348698404.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4048968431) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 396120 + ... + 406212.

It is an arithmetic number, because the mean of its divisors is an integer number (81761400).

Almost surely, 2^4048968438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4048968438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5232729600).

4048968438 is an abundant number, since it is smaller than the sum of its proper divisors (6416490762).

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

4048968438 is a wasteful number, since it uses less digits than its factorization.

4048968438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The square root of 4048968438 is about 63631.5050741376. The cubic root of 4048968438 is about 1593.8525091712.

The spelling of 4048968438 in words is "four billion, forty-eight million, nine hundred sixty-eight thousand, four hundred thirty-eight".