30043010040 has 128 divisors (see below), whose sum is σ = 91993536000. Its totient is φ = 7846737408.

The previous prime is 30043010029. The next prime is 30043010071. The reversal of 30043010040 is 4001034003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1953501 + ... + 1968819.

It is an arithmetic number, because the mean of its divisors is an integer number (718699500).

Almost surely, 2^30043010040 is an apocalyptic number.

30043010040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30043010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45996768000).

30043010040 is an abundant number, since it is smaller than the sum of its proper divisors (61950525960).

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

30043010040 is a wasteful number, since it uses less digits than its factorization.

30043010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669 (or 15665 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30043010040 its reverse (4001034003), we get a palindrome (34044044043).

The spelling of 30043010040 in words is "thirty billion, forty-three million, ten thousand, forty".