30040436736 has 312 divisors, whose sum is σ = 91720196880. Its totient is φ = 9714401280.

The previous prime is 30040436731. The next prime is 30040436737. The reversal of 30040436736 is 63763404003.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30040436736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040436731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411512796 + ... + 411512868.

It is an arithmetic number, because the mean of its divisors is an integer number (293974990).

Almost surely, 2^30040436736 is an apocalyptic number.

30040436736 is a gapful number since it is divisible by the number (36) 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 30040436736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45860098440).

30040436736 is an abundant number, since it is smaller than the sum of its proper divisors (61679760144).

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

30040436736 is an frugal number, since it uses more digits than its factorization.

30040436736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The spelling of 30040436736 in words is "thirty billion, forty million, four hundred thirty-six thousand, seven hundred thirty-six".