21341364288 has 56 divisors (see below), whose sum is σ = 57239233248. Its totient is φ = 7016334336.

The previous prime is 21341364259. The next prime is 21341364299. The reversal of 21341364288 is 88246314312.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747306 + ... + 775337.

Almost surely, 2^21341364288 is an apocalyptic number.

It is an amenable number.

21341364288 is an abundant number, since it is smaller than the sum of its proper divisors (35897868960).

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

21341364288 is a wasteful number, since it uses less digits than its factorization.

21341364288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522731 (or 1522721 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 21341364288 in words is "twenty-one billion, three hundred forty-one million, three hundred sixty-four thousand, two hundred eighty-eight".