4026042440 has 64 divisors (see below), whose sum is σ = 10367222400. Its totient is φ = 1378418688.

The previous prime is 4026042439. The next prime is 4026042443. The reversal of 4026042440 is 442406204.

4026042440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4026042443) 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, 197192 + ... + 216648.

It is an arithmetic number, because the mean of its divisors is an integer number (161987850).

Almost surely, 2^4026042440 is an apocalyptic number.

4026042440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4026042440 is an abundant number, since it is smaller than the sum of its proper divisors (6341179960).

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

4026042440 is a wasteful number, since it uses less digits than its factorization.

4026042440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20214 (or 20210 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4026042440 is about 63451.1027484945. The cubic root of 4026042440 is about 1590.8385856339.

Adding to 4026042440 its reverse (442406204), we get a palindrome (4468448644).

The spelling of 4026042440 in words is "four billion, twenty-six million, forty-two thousand, four hundred forty".