8415641444 has 24 divisors (see below), whose sum is σ = 17821359360. Its totient is φ = 3394544256.

The previous prime is 8415641389. The next prime is 8415641477. The reversal of 8415641444 is 4441465148.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8839484 + ... + 8840435.

It is an arithmetic number, because the mean of its divisors is an integer number (742556640).

Almost surely, 2^8415641444 is an apocalyptic number.

It is an amenable number.

8415641444 is an abundant number, since it is smaller than the sum of its proper divisors (9405717916).

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

8415641444 is a wasteful number, since it uses less digits than its factorization.

8415641444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17679947 (or 17679945 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 8415641444 is about 91736.8052855559. The cubic root of 8415641444 is about 2034.0536699143.

The spelling of 8415641444 in words is "eight billion, four hundred fifteen million, six hundred forty-one thousand, four hundred forty-four".