4026512538 has 64 divisors (see below), whose sum is σ = 9154569600. Its totient is φ = 1311500160.

The previous prime is 4026512519. The next prime is 4026512557. The reversal of 4026512538 is 8352156204.

It is an interprime number because it is at equal distance from previous prime (4026512519) and next prime (4026512557).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424993 + ... + 434363.

It is an arithmetic number, because the mean of its divisors is an integer number (143040150).

Almost surely, 2^4026512538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4026512538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4577284800).

4026512538 is an abundant number, since it is smaller than the sum of its proper divisors (5128057062).

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

4026512538 is a wasteful number, since it uses less digits than its factorization.

4026512538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564 (or 9558 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4026512538 is about 63454.8070519484. The cubic root of 4026512538 is about 1590.9005009385.

The spelling of 4026512538 in words is "four billion, twenty-six million, five hundred twelve thousand, five hundred thirty-eight".