30606613007400 has 72 divisors (see below), whose sum is σ = 102787208689230. Its totient is φ = 8161763468160.

The previous prime is 30606613007381. The next prime is 30606613007401. The reversal of 30606613007400 is 470031660603.

It is a happy number.

30606613007400 is a `hidden beast` number, since 3 + 0 + 60 + 66 + 130 + 0 + 7 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 21179342818404 + 9427270188996 = 4602102^2 + 3070386^2 .

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 not an unprimeable number, because it can be changed into a prime (30606613007401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8501835147 + ... + 8501838746.

Almost surely, 2^{30606613007400} is an apocalyptic number.

30606613007400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30606613007400 is an abundant number, since it is smaller than the sum of its proper divisors (72180595681830).

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

30606613007400 is a wasteful number, since it uses less digits than its factorization.

30606613007400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003673915 (or 17003673903 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 30606613007400 in words is "thirty trillion, six hundred six billion, six hundred thirteen million, seven thousand, four hundred".