4001541788 has 12 divisors (see below), whose sum is σ = 7018873680. Its totient is φ = 1996149312.

The previous prime is 4001541769. The next prime is 4001541799. The reversal of 4001541788 is 8871451004.

It is a happy number.

It is a super-2 number, since 2×4001541788² = 32024673362220473888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1153448 + ... + 1156911.

It is an arithmetic number, because the mean of its divisors is an integer number (584906140).

Almost surely, 2^4001541788 is an apocalyptic number.

It is an amenable number.

4001541788 is a deficient number, since it is larger than the sum of its proper divisors (3017331892).

4001541788 is a wasteful number, since it uses less digits than its factorization.

4001541788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310796 (or 2310794 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 4001541788 is about 63257.7409334225. The cubic root of 4001541788 is about 1587.6049787605.

The spelling of 4001541788 in words is "four billion, one million, five hundred forty-one thousand, seven hundred eighty-eight".