21632275776 has 56 divisors (see below), whose sum is σ = 59209045920. Its totient is φ = 6962109952.

The previous prime is 21632275759. The next prime is 21632275801. The reversal of 21632275776 is 67757223612.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 1936986 + ... + 1948121.

Almost surely, 2^21632275776 is an apocalyptic number.

It is an amenable number.

21632275776 is an abundant number, since it is smaller than the sum of its proper divisors (37576770144).

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

21632275776 is a wasteful number, since it uses less digits than its factorization.

21632275776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885151 (or 3885141 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The spelling of 21632275776 in words is "twenty-one billion, six hundred thirty-two million, two hundred seventy-five thousand, seven hundred seventy-six".