4447037668 has 12 divisors (see below), whose sum is σ = 8033358592. Its totient is φ = 2151792360.

The previous prime is 4447037641. The next prime is 4447037687. The reversal of 4447037668 is 8667307444.

It is a happy number.

It is a super-2 number, since 2×4447037668² = 39552288041221756448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17931480 + ... + 17931727.

Almost surely, 2^4447037668 is an apocalyptic number.

It is an amenable number.

4447037668 is a deficient number, since it is larger than the sum of its proper divisors (3586320924).

4447037668 is a wasteful number, since it uses less digits than its factorization.

4447037668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35863242 (or 35863240 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The square root of 4447037668 is about 66686.1130071322. The cubic root of 4447037668 is about 1644.4610926763.

The spelling of 4447037668 in words is "four billion, four hundred forty-seven million, thirty-seven thousand, six hundred sixty-eight".