4011261644 has 36 divisors (see below), whose sum is σ = 7621560576. Its totient is φ = 1846398528.

The previous prime is 4011261641. The next prime is 4011261713. The reversal of 4011261644 is 4461621104.

It is not an unprimeable number, because it can be changed into a prime (4011261641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251162 + ... + 266654.

It is an arithmetic number, because the mean of its divisors is an integer number (211710016).

Almost surely, 2^4011261644 is an apocalyptic number.

It is an amenable number.

4011261644 is a deficient number, since it is larger than the sum of its proper divisors (3610298932).

4011261644 is a wasteful number, since it uses less digits than its factorization.

4011261644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906 (or 15891 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4011261644 is about 63334.5217397274. The cubic root of 4011261644 is about 1588.8893848789.

Adding to 4011261644 its reverse (4461621104), we get a palindrome (8472882748).

The spelling of 4011261644 in words is "four billion, eleven million, two hundred sixty-one thousand, six hundred forty-four".