21048298444 has 12 divisors (see below), whose sum is σ = 36865200568. Its totient is φ = 10515384000.

The previous prime is 21048298423. The next prime is 21048298489. The reversal of 21048298444 is 44489284012.

It is a super-2 number, since 2×21048298444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21048298394 and 21048298403.

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, 2185902 + ... + 2195509.

Almost surely, 2^21048298444 is an apocalyptic number.

It is an amenable number.

21048298444 is a deficient number, since it is larger than the sum of its proper divisors (15816902124).

21048298444 is a wasteful number, since it uses less digits than its factorization.

21048298444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382616 (or 4382614 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 21048298444 in words is "twenty-one billion, forty-eight million, two hundred ninety-eight thousand, four hundred forty-four".