30440102 has 32 divisors (see below), whose sum is σ = 57335040. Its totient is φ = 11774880.

The previous prime is 30440101. The next prime is 30440107. The reversal of 30440102 is 20104403.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23549 + ... + 24807.

It is an arithmetic number, because the mean of its divisors is an integer number (1791720).

Almost surely, 2^30440102 is an apocalyptic number.

30440102 is a deficient number, since it is larger than the sum of its proper divisors (26894938).

30440102 is a wasteful number, since it uses less digits than its factorization.

30440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30440102 is about 5517.2549333885. The cubic root of 30440102 is about 312.2353240525.

Adding to 30440102 its reverse (20104403), we get a palindrome (50544505).

The spelling of 30440102 in words is "thirty million, four hundred forty thousand, one hundred two".