21032034442 has 8 divisors (see below), whose sum is σ = 31736962656. Its totient is φ = 10453046892.

The previous prime is 21032034407. The next prime is 21032034493. The reversal of 21032034442 is 24443023012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 31484748 + ... + 31485415.

It is an arithmetic number, because the mean of its divisors is an integer number (3967120332).

Almost surely, 2^21032034442 is an apocalyptic number.

21032034442 is a deficient number, since it is larger than the sum of its proper divisors (10704928214).

21032034442 is a wasteful number, since it uses less digits than its factorization.

21032034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62970332.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 21032034442 its reverse (24443023012), we get a palindrome (45475057454).

The spelling of 21032034442 in words is "twenty-one billion, thirty-two million, thirty-four thousand, four hundred forty-two".