4025330440 has 32 divisors (see below), whose sum is σ = 9058835160. Its totient is φ = 1609804800.

The previous prime is 4025330399. The next prime is 4025330473. The reversal of 4025330440 is 440335204.

It can be written as a sum of positive squares in 4 ways, for example, as 3626689284 + 398641156 = 60222^2 + 19966^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 322720 + ... + 334960.

Almost surely, 2^4025330440 is an apocalyptic number.

4025330440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4025330440 is an abundant number, since it is smaller than the sum of its proper divisors (5033504720).

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

4025330440 is a wasteful number, since it uses less digits than its factorization.

4025330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20473 (or 20469 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 4025330440 is about 63445.4918808263. The cubic root of 4025330440 is about 1590.7448009088.

Adding to 4025330440 its reverse (440335204), we get a palindrome (4465665644).

The spelling of 4025330440 in words is "four billion, twenty-five million, three hundred thirty thousand, four hundred forty".