30390447360 has 288 divisors, whose sum is σ = 119459208960. Its totient is φ = 6411976704.

The previous prime is 30390447337. The next prime is 30390447379. The reversal of 30390447360 is 6374409303.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305956 + ... + 392924.

It is an arithmetic number, because the mean of its divisors is an integer number (414788920).

Almost surely, 2^30390447360 is an apocalyptic number.

30390447360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30390447360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59729604480).

30390447360 is an abundant number, since it is smaller than the sum of its proper divisors (89068761600).

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

30390447360 is a wasteful number, since it uses less digits than its factorization.

30390447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87013 (or 86999 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 30390447360 in words is "thirty billion, three hundred ninety million, four hundred forty-seven thousand, three hundred sixty".