4399155884920 has 16 divisors (see below), whose sum is σ = 9898100741160. Its totient is φ = 1759662353952.

The previous prime is 4399155884899. The next prime is 4399155884927. The reversal of 4399155884920 is 294885519934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399155884927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54989448522 + ... + 54989448601.

Almost surely, 2^{4399155884920} is an apocalyptic number.

4399155884920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4399155884920 is an abundant number, since it is smaller than the sum of its proper divisors (5498944856240).

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

4399155884920 is a wasteful number, since it uses less digits than its factorization.

4399155884920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109978897134 (or 109978897130 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 67.

The spelling of 4399155884920 in words is "four trillion, three hundred ninety-nine billion, one hundred fifty-five million, eight hundred eighty-four thousand, nine hundred twenty".