21474167300 has 72 divisors (see below), whose sum is σ = 47922948360. Its totient is φ = 8346240000.

The previous prime is 21474167293. The next prime is 21474167303. The reversal of 21474167300 is 376147412.

It can be written as a sum of positive squares in 12 ways, for example, as 1972603396 + 19501563904 = 44414^2 + 139648^2 .

It is a super-2 number, since 2×21474167300² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21474167303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3063800 + ... + 3070800.

It is an arithmetic number, because the mean of its divisors is an integer number (665596505).

Almost surely, 2^21474167300 is an apocalyptic number.

21474167300 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 21474167300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23961474180).

21474167300 is an abundant number, since it is smaller than the sum of its proper divisors (26448781060).

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

21474167300 is a wasteful number, since it uses less digits than its factorization.

21474167300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881 (or 7874 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 21474167300 in words is "twenty-one billion, four hundred seventy-four million, one hundred sixty-seven thousand, three hundred".