30440043102 has 16 divisors (see below), whose sum is σ = 69577241472. Its totient is φ = 8697155160.

The previous prime is 30440043091. The next prime is 30440043103. The reversal of 30440043102 is 20134004403.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440043103) by changing a digit.

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, 362381424 + ... + 362381507.

It is an arithmetic number, because the mean of its divisors is an integer number (4348577592).

Almost surely, 2^30440043102 is an apocalyptic number.

30440043102 is an abundant number, since it is smaller than the sum of its proper divisors (39137198370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30440043102 is a wasteful number, since it uses less digits than its factorization.

30440043102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724762943.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30440043102 its reverse (20134004403), we get a palindrome (50574047505).

The spelling of 30440043102 in words is "thirty billion, four hundred forty million, forty-three thousand, one hundred two".