4448937906 has 64 divisors (see below), whose sum is σ = 11663400960. Its totient is φ = 1230117840.

The previous prime is 4448937881. The next prime is 4448937919. The reversal of 4448937906 is 6097398444.

It is a happy number.

4448937906 is a `hidden beast` number, since 44 + 489 + 37 + 90 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178116 + ... + 201551.

It is an arithmetic number, because the mean of its divisors is an integer number (182240640).

Almost surely, 2^4448937906 is an apocalyptic number.

4448937906 is an abundant number, since it is smaller than the sum of its proper divisors (7214463054).

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

4448937906 is a wasteful number, since it uses less digits than its factorization.

4448937906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379716 (or 379710 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 4448937906 is about 66700.3591144755. The cubic root of 4448937906 is about 1644.6952877148.

The spelling of 4448937906 in words is "four billion, four hundred forty-eight million, nine hundred thirty-seven thousand, nine hundred six".