30440006406 has 24 divisors (see below), whose sum is σ = 65999556480. Its totient is φ = 10139559696.

The previous prime is 30440006371. The next prime is 30440006413. The reversal of 30440006406 is 60460004403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30440006406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565990 + ... + 617433.

It is an arithmetic number, because the mean of its divisors is an integer number (2749981520).

Almost surely, 2^30440006406 is an apocalyptic number.

30440006406 is an abundant number, since it is smaller than the sum of its proper divisors (35559550074).

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

30440006406 is a wasteful number, since it uses less digits than its factorization.

30440006406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184860 (or 1184857 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 30440006406 in words is "thirty billion, four hundred forty million, six thousand, four hundred six".