21484138300 has 36 divisors (see below), whose sum is σ = 47500225416. Its totient is φ = 8431508800.

The previous prime is 21484138253. The next prime is 21484138303. The reversal of 21484138300 is 383148412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21484138303) 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 11 ways as a sum of consecutive naturals, for example, 2021506 + ... + 2032105.

It is an arithmetic number, because the mean of its divisors is an integer number (1319450706).

Almost surely, 2^21484138300 is an apocalyptic number.

21484138300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21484138300 is an abundant number, since it is smaller than the sum of its proper divisors (26016087116).

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

21484138300 is a wasteful number, since it uses less digits than its factorization.

21484138300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053678 (or 4053671 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 21484138300 in words is "twenty-one billion, four hundred eighty-four million, one hundred thirty-eight thousand, three hundred".