4081623964 has 24 divisors (see below), whose sum is σ = 7982248176. Its totient is φ = 1810032000.

The previous prime is 4081623859. The next prime is 4081623967. The reversal of 4081623964 is 4693261804.

It is a happy number.

4081623964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4081623964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081623967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129467 + ... + 1133074.

It is an arithmetic number, because the mean of its divisors is an integer number (332593674).

Almost surely, 2^4081623964 is an apocalyptic number.

4081623964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4081623964 is a deficient number, since it is larger than the sum of its proper divisors (3900624212).

4081623964 is a wasteful number, since it uses less digits than its factorization.

4081623964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262597 (or 2262595 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 4081623964 is about 63887.5884972973. The cubic root of 4081623964 is about 1598.1259260739.

The spelling of 4081623964 in words is "four billion, eighty-one million, six hundred twenty-three thousand, nine hundred sixty-four".