4400133646 has 8 divisors (see below), whose sum is σ = 6601056264. Its totient is φ = 2199781560.

The previous prime is 4400133641. The next prime is 4400133671. The reversal of 4400133646 is 6463310044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4400133646² = 38722352205322506632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400133641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122800 + ... + 154531.

It is an arithmetic number, because the mean of its divisors is an integer number (825132033).

Almost surely, 2^4400133646 is an apocalyptic number.

4400133646 is a deficient number, since it is larger than the sum of its proper divisors (2200922618).

4400133646 is a wasteful number, since it uses less digits than its factorization.

4400133646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285266.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 4400133646 is about 66333.5031940874. The cubic root of 4400133646 is about 1638.6591317925.

The spelling of 4400133646 in words is "four billion, four hundred million, one hundred thirty-three thousand, six hundred forty-six".