30636061939400 has 192 divisors, whose sum is σ = 75157339622400. Its totient is φ = 11581673621760.

The previous prime is 30636061939387. The next prime is 30636061939411. The reversal of 30636061939400 is 493916063603.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3977155949 + ... + 3977163651.

It is an arithmetic number, because the mean of its divisors is an integer number (391444477200).

Almost surely, 2^{30636061939400} 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 30636061939400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37578669811200).

30636061939400 is an abundant number, since it is smaller than the sum of its proper divisors (44521277683000).

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

30636061939400 is a wasteful number, since it uses less digits than its factorization.

30636061939400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108 (or 10099 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 50.

The spelling of 30636061939400 in words is "thirty trillion, six hundred thirty-six billion, sixty-one million, nine hundred thirty-nine thousand, four hundred".