4001525544 has 32 divisors (see below), whose sum is σ = 10247811840. Its totient is φ = 1301308800.

The previous prime is 4001525509. The next prime is 4001525557. The reversal of 4001525544 is 4455251004.

4001525544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2032312 + ... + 2034279.

It is an arithmetic number, because the mean of its divisors is an integer number (320244120).

Almost surely, 2^4001525544 is an apocalyptic number.

It is an amenable number.

4001525544 is an abundant number, since it is smaller than the sum of its proper divisors (6246286296).

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

4001525544 is a wasteful number, since it uses less digits than its factorization.

4001525544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066641 (or 4066637 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4001525544 is about 63257.6125379389. The cubic root of 4001525544 is about 1587.6028304977.

Adding to 4001525544 its reverse (4455251004), we get a palindrome (8456776548).

The spelling of 4001525544 in words is "four billion, one million, five hundred twenty-five thousand, five hundred forty-four".