4445517948 has 12 divisors (see below), whose sum is σ = 10372875240. Its totient is φ = 1481839312.

The previous prime is 4445517917. The next prime is 4445517949. The reversal of 4445517948 is 8497155444.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 4445517948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445517949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185229903 + ... + 185229926.

It is an arithmetic number, because the mean of its divisors is an integer number (864406270).

Almost surely, 2^4445517948 is an apocalyptic number.

It is an amenable number.

4445517948 is an abundant number, since it is smaller than the sum of its proper divisors (5927357292).

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

4445517948 is a wasteful number, since it uses less digits than its factorization.

4445517948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370459836 (or 370459834 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The square root of 4445517948 is about 66674.7174572191. The cubic root of 4445517948 is about 1644.2737466021.

The spelling of 4445517948 in words is "four billion, four hundred forty-five million, five hundred seventeen thousand, nine hundred forty-eight".