21474882000 has 1120 divisors, whose sum is σ = 92352589056. Its totient is φ = 4758912000.

The previous prime is 21474881977. The next prime is 21474882019. The reversal of 21474882000 is 28847412.

It is a super-2 number, since 2×21474882000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 208493949 + ... + 208494051.

Almost surely, 2^21474882000 is an apocalyptic number.

21474882000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21474882000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46176294528).

21474882000 is an abundant number, since it is smaller than the sum of its proper divisors (70877707056).

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

21474882000 is a wasteful number, since it uses less digits than its factorization.

21474882000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 21474882000 in words is "twenty-one billion, four hundred seventy-four million, eight hundred eighty-two thousand".