4111023440 has 80 divisors (see below), whose sum is σ = 9762406416. Its totient is φ = 1609420800.

The previous prime is 4111023439. The next prime is 4111023443. The reversal of 4111023440 is 443201114.

It can be written as a sum of positive squares in 8 ways, for example, as 755370256 + 3355653184 = 27484^2 + 57928^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4111023443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208110 + ... + 2209970.

Almost surely, 2^4111023440 is an apocalyptic number.

4111023440 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 4111023440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4881203208).

4111023440 is an abundant number, since it is smaller than the sum of its proper divisors (5651382976).

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

4111023440 is a wasteful number, since it uses less digits than its factorization.

4111023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4111023440 is about 64117.2631979875. The cubic root of 4111023440 is about 1601.9537903019.

Adding to 4111023440 its reverse (443201114), we get a palindrome (4554224554).

The spelling of 4111023440 in words is "four billion, one hundred eleven million, twenty-three thousand, four hundred forty".