30400404142 has 16 divisors (see below), whose sum is σ = 47489652000. Its totient is φ = 14577556000.

The previous prime is 30400404131. The next prime is 30400404157. The reversal of 30400404142 is 24140400403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750234 + ... + 1767517.

It is an arithmetic number, because the mean of its divisors is an integer number (2968103250).

Almost surely, 2^30400404142 is an apocalyptic number.

30400404142 is a deficient number, since it is larger than the sum of its proper divisors (17089247858).

30400404142 is a wasteful number, since it uses less digits than its factorization.

30400404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517931.

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

Adding to 30400404142 its reverse (24140400403), we get a palindrome (54540804545).

The spelling of 30400404142 in words is "thirty billion, four hundred million, four hundred four thousand, one hundred forty-two".