21040411332332 has 48 divisors (see below), whose sum is σ = 42156020632320. Its totient is φ = 9001214164800.

The previous prime is 21040411332313. The next prime is 21040411332359. The reversal of 21040411332332 is 23323311404012.

It is a junction number, because it is equal to n+sod(n) for n = 21040411332295 and 21040411332304.

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, 57299894 + ... + 57665922.

It is an arithmetic number, because the mean of its divisors is an integer number (878250429840).

Almost surely, 2^{21040411332332} is an apocalyptic number.

It is an amenable number.

21040411332332 is an abundant number, since it is smaller than the sum of its proper divisors (21115609299988).

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

21040411332332 is a wasteful number, since it uses less digits than its factorization.

21040411332332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369702 (or 369700 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21040411332332 its reverse (23323311404012), we get a palindrome (44363722736344).

The spelling of 21040411332332 in words is "twenty-one trillion, forty billion, four hundred eleven million, three hundred thirty-two thousand, three hundred thirty-two".