30442400411 has 4 divisors (see below), whose sum is σ = 31184898024. Its totient is φ = 29699902800.

The previous prime is 30442400399. The next prime is 30442400437. The reversal of 30442400411 is 11400424403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30442400411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30442400111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371248745 + ... + 371248826.

It is an arithmetic number, because the mean of its divisors is an integer number (7796224506).

Almost surely, 2^30442400411 is an apocalyptic number.

30442400411 is a deficient number, since it is larger than the sum of its proper divisors (742497613).

30442400411 is an equidigital number, since it uses as much as digits as its factorization.

30442400411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742497612.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 30442400411 its reverse (11400424403), we get a palindrome (41842824814).

The spelling of 30442400411 in words is "thirty billion, four hundred forty-two million, four hundred thousand, four hundred eleven".