30520182480 has 80 divisors (see below), whose sum is σ = 94645311360. Its totient is φ = 8135898624.

The previous prime is 30520182479. The next prime is 30520182491. The reversal of 30520182480 is 8428102503.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×30520182480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725709 + ... + 766611.

It is an arithmetic number, because the mean of its divisors is an integer number (1183066392).

Almost surely, 2^30520182480 is an apocalyptic number.

30520182480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30520182480 is an abundant number, since it is smaller than the sum of its proper divisors (64125128880).

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

30520182480 is a wasteful number, since it uses less digits than its factorization.

30520182480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44028 (or 44022 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 30520182480 its reverse (8428102503), we get a palindrome (38948284983).

The spelling of 30520182480 in words is "thirty billion, five hundred twenty million, one hundred eighty-two thousand, four hundred eighty".