305520000000 has 704 divisors, whose sum is σ = 1087465966080. Its totient is φ = 76032000000.

The previous prime is 305519999987. The next prime is 305520000007. The reversal of 305520000000 is 25503.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305520000007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4559999967 + ... + 4560000033.

Almost surely, 2^305520000000 is an apocalyptic number.

305520000000 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 305520000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543732983040).

305520000000 is an abundant number, since it is smaller than the sum of its proper divisors (781945966080).

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

305520000000 is an frugal number, since it uses more digits than its factorization.

305520000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

Adding to 305520000000 its reverse (25503), we get a palindrome (305520025503).

The spelling of 305520000000 in words is "three hundred five billion, five hundred twenty million", and thus it is an aban number.