19949114880 has 120 divisors (see below), whose sum is σ = 69089475312. Its totient is φ = 5319757824.

The previous prime is 19949114827. The next prime is 19949114893. The reversal of 19949114880 is 8841194991.

19949114880 is a `hidden beast` number, since 1 + 9 + 9 + 491 + 148 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 11 ways as a sum of consecutive naturals, for example, 409884 + ... + 455963.

Almost surely, 2^19949114880 is an apocalyptic number.

19949114880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19949114880 is an abundant number, since it is smaller than the sum of its proper divisors (49140360432).

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

19949114880 is an equidigital number, since it uses as much as digits as its factorization.

19949114880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865876 (or 865857 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 19949114880 in words is "nineteen billion, nine hundred forty-nine million, one hundred fourteen thousand, eight hundred eighty".