30505726700000 has 288 divisors, whose sum is σ = 79584034795776. Its totient is φ = 11489472000000.

The previous prime is 30505726699933. The next prime is 30505726700041. The reversal of 30505726700000 is 762750503.

It is a super-2 number, since 2×30505726700000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 114567020 + ... + 114832980.

It is an arithmetic number, because the mean of its divisors is an integer number (276333454152).

Almost surely, 2^{30505726700000} 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 30505726700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39792017397888).

30505726700000 is an abundant number, since it is smaller than the sum of its proper divisors (49078308095776).

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

30505726700000 is an equidigital number, since it uses as much as digits as its factorization.

30505726700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266064 (or 266036 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 30505726700000 in words is "thirty trillion, five hundred five billion, seven hundred twenty-six million, seven hundred thousand".