21829332048 has 20 divisors (see below), whose sum is σ = 56392441248. Its totient is φ = 7276444000.

The previous prime is 21829332013. The next prime is 21829332059. The reversal of 21829332048 is 84023392812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227388828 + ... + 227388923.

Almost surely, 2^21829332048 is an apocalyptic number.

It is an amenable number.

21829332048 is an abundant number, since it is smaller than the sum of its proper divisors (34563109200).

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

21829332048 is a wasteful number, since it uses less digits than its factorization.

21829332048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454777762 (or 454777756 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 21829332048 in words is "twenty-one billion, eight hundred twenty-nine million, three hundred thirty-two thousand, forty-eight".