30334042656 has 72 divisors (see below), whose sum is σ = 87116600844. Its totient is φ = 10011225600.

The previous prime is 30334042597. The next prime is 30334042657. The reversal of 30334042656 is 65624043303.

30334042656 is a `hidden beast` number, since 303 + 340 + 4 + 2 + 6 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21584311056 + 8749731600 = 146916^2 + 93540^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 30334042656.

It is not an unprimeable number, because it can be changed into a prime (30334042657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492331 + ... + 550506.

Almost surely, 2^30334042656 is an apocalyptic number.

30334042656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30334042656 is an abundant number, since it is smaller than the sum of its proper divisors (56782558188).

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

30334042656 is a wasteful number, since it uses less digits than its factorization.

30334042656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042954 (or 1042943 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 30334042656 its reverse (65624043303), we get a palindrome (95958085959).

The spelling of 30334042656 in words is "thirty billion, three hundred thirty-four million, forty-two thousand, six hundred fifty-six".