4050423440 has 40 divisors (see below), whose sum is σ = 10762555200. Its totient is φ = 1388716416.

The previous prime is 4050423431. The next prime is 4050423463. The reversal of 4050423440 is 443240504.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3615890 + ... + 3617009.

It is an arithmetic number, because the mean of its divisors is an integer number (269063880).

Almost surely, 2^4050423440 is an apocalyptic number.

4050423440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4050423440 is an abundant number, since it is smaller than the sum of its proper divisors (6712131760).

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

4050423440 is a wasteful number, since it uses less digits than its factorization.

4050423440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232919 (or 7232913 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4050423440 is about 63642.9370786735. The cubic root of 4050423440 is about 1594.0434039546.

Adding to 4050423440 its reverse (443240504), we get a palindrome (4493663944).

The spelling of 4050423440 in words is "four billion, fifty million, four hundred twenty-three thousand, four hundred forty".