4050868440 has 128 divisors (see below), whose sum is σ = 12421693440. Its totient is φ = 1056446976.

The previous prime is 4050868421. The next prime is 4050868489. The reversal of 4050868440 is 448680504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2435049 + ... + 2436711.

It is an arithmetic number, because the mean of its divisors is an integer number (97044480).

Almost surely, 2^4050868440 is an apocalyptic number.

4050868440 is a gapful number since it is divisible by the number (40) 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 4050868440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6210846720).

4050868440 is an abundant number, since it is smaller than the sum of its proper divisors (8370825000).

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

4050868440 is a wasteful number, since it uses less digits than its factorization.

4050868440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 4050868440 is about 63646.4330500932. The cubic root of 4050868440 is about 1594.1017783731.

The spelling of 4050868440 in words is "four billion, fifty million, eight hundred sixty-eight thousand, four hundred forty".