30437903706640 has 160 divisors (see below), whose sum is σ = 78199906671360. Its totient is φ = 10959205711872.

The previous prime is 30437903706601. The next prime is 30437903706653. The reversal of 30437903706640 is 4660730973403.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233252292 + ... + 233382748.

It is an arithmetic number, because the mean of its divisors is an integer number (488749416696).

Almost surely, 2^{30437903706640} 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 30437903706640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39099953335680).

30437903706640 is an abundant number, since it is smaller than the sum of its proper divisors (47762002964720).

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

30437903706640 is a wasteful number, since it uses less digits than its factorization.

30437903706640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137969 (or 137963 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 52.

The spelling of 30437903706640 in words is "thirty trillion, four hundred thirty-seven billion, nine hundred three million, seven hundred six thousand, six hundred forty".