4021033440 has 48 divisors (see below), whose sum is σ = 12666256848. Its totient is φ = 1072275456.

The previous prime is 4021033417. The next prime is 4021033447. The reversal of 4021033440 is 443301204.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021033447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4188097 + ... + 4189056.

It is an arithmetic number, because the mean of its divisors is an integer number (263880351).

Almost surely, 2^4021033440 is an apocalyptic number.

4021033440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021033440 is an abundant number, since it is smaller than the sum of its proper divisors (8645223408).

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

4021033440 is a wasteful number, since it uses less digits than its factorization.

4021033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377171 (or 8377163 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4021033440 is about 63411.6191245737. The cubic root of 4021033440 is about 1590.1785646535.

Adding to 4021033440 its reverse (443301204), we get a palindrome (4464334644).

The spelling of 4021033440 in words is "four billion, twenty-one million, thirty-three thousand, four hundred forty".