30386773872 has 720 divisors, whose sum is σ = 114739322880. Its totient is φ = 7289533440.

The previous prime is 30386773871. The next prime is 30386773889. The reversal of 30386773872 is 27837768303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30386773871) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 239265873 + ... + 239265999.

Almost surely, 2^30386773872 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 30386773872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57369661440).

30386773872 is an abundant number, since it is smaller than the sum of its proper divisors (84352549008).

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

30386773872 is a wasteful number, since it uses less digits than its factorization.

30386773872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 30386773872 in words is "thirty billion, three hundred eighty-six million, seven hundred seventy-three thousand, eight hundred seventy-two".