4419487872 has 64 divisors (see below), whose sum is σ = 13043637600. Its totient is φ = 1473161472.

The previous prime is 4419487871. The next prime is 4419487873. The reversal of 4419487872 is 2787849144.

It is an interprime number because it is at equal distance from previous prime (4419487871) and next prime (4419487873).

It is a tau number, because it is divible by the number of its divisors (64).

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

It is not an unprimeable number, because it can be changed into a prime (4419487871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635938 + ... + 642849.

Almost surely, 2^4419487872 is an apocalyptic number.

It is an amenable number.

4419487872 is an abundant number, since it is smaller than the sum of its proper divisors (8624149728).

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

4419487872 is a wasteful number, since it uses less digits than its factorization.

4419487872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278810 (or 1278792 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 4419487872 is about 66479.2288763942. The cubic root of 4419487872 is about 1641.0581947151.

The spelling of 4419487872 in words is "four billion, four hundred nineteen million, four hundred eighty-seven thousand, eight hundred seventy-two".