30440444449 has 2 divisors, whose sum is σ = 30440444450. Its totient is φ = 30440444448.

The previous prime is 30440444423. The next prime is 30440444467. The reversal of 30440444449 is 94444404403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18176432400 + 12264012049 = 134820^2 + 110743^2 .

It is a cyclic number.

It is not a de Polignac number, because 30440444449 - 2¹⁵ = 30440411681 is a prime.

It is not a weakly prime, because it can be changed into another prime (30440444249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15220222224 + 15220222225.

It is an arithmetic number, because the mean of its divisors is an integer number (15220222225).

Almost surely, 2^30440444449 is an apocalyptic number.

It is an amenable number.

30440444449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30440444449 is an equidigital number, since it uses as much as digits as its factorization.

30440444449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 30440444449 in words is "thirty billion, four hundred forty million, four hundred forty-four thousand, four hundred forty-nine".