4449131766 has 32 divisors (see below), whose sum is σ = 10097326080. Its totient is φ = 1451488968.

The previous prime is 4449131759. The next prime is 4449131777. The reversal of 4449131766 is 6671319444.

4449131766 is a `hidden beast` number, since 4 + 449 + 131 + 76 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873966 + ... + 879041.

It is an arithmetic number, because the mean of its divisors is an integer number (315541440).

Almost surely, 2^4449131766 is an apocalyptic number.

4449131766 is an abundant number, since it is smaller than the sum of its proper divisors (5648194314).

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

4449131766 is a wasteful number, since it uses less digits than its factorization.

4449131766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753065 (or 1753059 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 4449131766 is about 66701.8123142093. The cubic root of 4449131766 is about 1644.7191762626.

The spelling of 4449131766 in words is "four billion, four hundred forty-nine million, one hundred thirty-one thousand, seven hundred sixty-six".