4398895661904 has 80 divisors (see below), whose sum is σ = 12628712246400. Its totient is φ = 1466036976384.

The previous prime is 4398895661843. The next prime is 4398895661971. The reversal of 4398895661904 is 4091665988934.

4398895661904 is a `hidden beast` number, since 4 + 398 + 8 + 95 + 6 + 61 + 90 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523692 + ... + 3334580.

It is an arithmetic number, because the mean of its divisors is an integer number (157858903080).

Almost surely, 2^{4398895661904} is an apocalyptic number.

It is an amenable number.

4398895661904 is an abundant number, since it is smaller than the sum of its proper divisors (8229816584496).

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

4398895661904 is a wasteful number, since it uses less digits than its factorization.

4398895661904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816529 (or 1816517 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 72.

The spelling of 4398895661904 in words is "four trillion, three hundred ninety-eight billion, eight hundred ninety-five million, six hundred sixty-one thousand, nine hundred four".