30013320040 has 128 divisors (see below), whose sum is σ = 75571056000. Its totient is φ = 10635494400.

The previous prime is 30013320023. The next prime is 30013320061. The reversal of 30013320040 is 4002331003.

It is a junction number, because it is equal to n+sod(n) for n = 30013319996 and 30013320023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2920431 + ... + 2930689.

It is an arithmetic number, because the mean of its divisors is an integer number (590398875).

Almost surely, 2^30013320040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30013320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37785528000).

30013320040 is an abundant number, since it is smaller than the sum of its proper divisors (45557735960).

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

30013320040 is a wasteful number, since it uses less digits than its factorization.

30013320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451 (or 10447 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30013320040 its reverse (4002331003), we get a palindrome (34015651043).

It can be divided in two parts, 30013 and 320040, that added together give a palindrome (350053).

The spelling of 30013320040 in words is "thirty billion, thirteen million, three hundred twenty thousand, forty".