21341472300 has 288 divisors, whose sum is σ = 71905397760. Its totient is φ = 5419814400.

The previous prime is 21341472289. The next prime is 21341472311. The reversal of 21341472300 is 327414312.

It is a happy number.

21341472300 is a `hidden beast` number, since 2 + 13 + 414 + 7 + 230 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (21341472289) and next prime (21341472311).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17449489 + ... + 17450711.

It is an arithmetic number, because the mean of its divisors is an integer number (249671520).

Almost surely, 2^21341472300 is an apocalyptic number.

21341472300 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 21341472300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35952698880).

21341472300 is an abundant number, since it is smaller than the sum of its proper divisors (50563925460).

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

21341472300 is a wasteful number, since it uses less digits than its factorization.

21341472300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 21341472300 its reverse (327414312), we get a palindrome (21668886612).

The spelling of 21341472300 in words is "twenty-one billion, three hundred forty-one million, four hundred seventy-two thousand, three hundred".