19824003800 has 24 divisors (see below), whose sum is σ = 46090809300. Its totient is φ = 7929601440.

The previous prime is 19824003737. The next prime is 19824003811. The reversal of 19824003800 is 830042891.

It is a happy number.

It is a super-2 number, since 2×19824003800² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 49559810 + ... + 49560209.

Almost surely, 2^19824003800 is an apocalyptic number.

19824003800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19824003800 is an abundant number, since it is smaller than the sum of its proper divisors (26266805500).

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

19824003800 is a wasteful number, since it uses less digits than its factorization.

19824003800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99120035 (or 99120026 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 19824003800 in words is "nineteen billion, eight hundred twenty-four million, three thousand, eight hundred".