30616621340 has 24 divisors (see below), whose sum is σ = 64301489280. Its totient is φ = 12245394368.

The previous prime is 30616621289. The next prime is 30616621397. The reversal of 30616621340 is 4312661603.

It is a junction number, because it is equal to n+sod(n) for n = 30616621297 and 30616621306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136106 + ... + 282414.

It is an arithmetic number, because the mean of its divisors is an integer number (2679228720).

Almost surely, 2^30616621340 is an apocalyptic number.

It is an amenable number.

30616621340 is an abundant number, since it is smaller than the sum of its proper divisors (33684867940).

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

30616621340 is a wasteful number, since it uses less digits than its factorization.

30616621340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156781 (or 156779 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 30616621340 in words is "thirty billion, six hundred sixteen million, six hundred twenty-one thousand, three hundred forty".