30440402102 has 16 divisors (see below), whose sum is σ = 51529208400. Its totient is φ = 13359423840.

The previous prime is 30440402087. The next prime is 30440402141. The reversal of 30440402102 is 20120404403.

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 7 ways as a sum of consecutive naturals, for example, 23855477 + ... + 23856752.

It is an arithmetic number, because the mean of its divisors is an integer number (3220575525).

Almost surely, 2^30440402102 is an apocalyptic number.

30440402102 is a deficient number, since it is larger than the sum of its proper divisors (21088806298).

30440402102 is a wasteful number, since it uses less digits than its factorization.

30440402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47712271.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30440402102 its reverse (20120404403), we get a palindrome (50560806505).

The spelling of 30440402102 in words is "thirty billion, four hundred forty million, four hundred two thousand, one hundred two".