30440021044 has 12 divisors (see below), whose sum is σ = 53279861824. Its totient is φ = 15217203384.

The previous prime is 30440021039. The next prime is 30440021057. The reversal of 30440021044 is 44012004403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677292 + ... + 720835.

Almost surely, 2^30440021044 is an apocalyptic number.

It is an amenable number.

30440021044 is a deficient number, since it is larger than the sum of its proper divisors (22839840780).

30440021044 is a wasteful number, since it uses less digits than its factorization.

30440021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403574 (or 1403572 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30440021044 its reverse (44012004403), we get a palindrome (74452025447).

The spelling of 30440021044 in words is "thirty billion, four hundred forty million, twenty-one thousand, forty-four".