30864537380 has 12 divisors (see below), whose sum is σ = 64815528540. Its totient is φ = 12345814944.

The previous prime is 30864537359. The next prime is 30864537383. The reversal of 30864537380 is 8373546803.

It can be written as a sum of positive squares in 2 ways, for example, as 15046947556 + 15817589824 = 122666^2 + 125768^2 .

It is not an unprimeable number, because it can be changed into a prime (30864537383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771613415 + ... + 771613454.

It is an arithmetic number, because the mean of its divisors is an integer number (5401294045).

Almost surely, 2^30864537380 is an apocalyptic number.

It is an amenable number.

30864537380 is an abundant number, since it is smaller than the sum of its proper divisors (33950991160).

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

30864537380 is a wasteful number, since it uses less digits than its factorization.

30864537380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543226878 (or 1543226876 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 30864537380 in words is "thirty billion, eight hundred sixty-four million, five hundred thirty-seven thousand, three hundred eighty".