21332441004 has 48 divisors (see below), whose sum is σ = 57172416000. Its totient is φ = 6064350336.

The previous prime is 21332440891. The next prime is 21332441027. The reversal of 21332441004 is 40014423312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621369 + ... + 654800.

It is an arithmetic number, because the mean of its divisors is an integer number (1191092000).

Almost surely, 2^21332441004 is an apocalyptic number.

It is an amenable number.

21332441004 is an abundant number, since it is smaller than the sum of its proper divisors (35839974996).

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

21332441004 is a wasteful number, since it uses less digits than its factorization.

21332441004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276382 (or 1276380 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21332441004 its reverse (40014423312), we get a palindrome (61346864316).

The spelling of 21332441004 in words is "twenty-one billion, three hundred thirty-two million, four hundred forty-one thousand, four".