21040104332 has 24 divisors (see below), whose sum is σ = 41985006336. Its totient is φ = 9139592448.

The previous prime is 21040104313. The next prime is 21040104361. The reversal of 21040104332 is 23340104012.

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, 11899628 + ... + 11901395.

It is an arithmetic number, because the mean of its divisors is an integer number (1749375264).

Almost surely, 2^21040104332 is an apocalyptic number.

It is an amenable number.

21040104332 is a deficient number, since it is larger than the sum of its proper divisors (20944902004).

21040104332 is a wasteful number, since it uses less digits than its factorization.

21040104332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23801057 (or 23801055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21040104332 its reverse (23340104012), we get a palindrome (44380208344).

The spelling of 21040104332 in words is "twenty-one billion, forty million, one hundred four thousand, three hundred thirty-two".