30097979520 has 192 divisors, whose sum is σ = 111600892800. Its totient is φ = 6879516672.

The previous prime is 30097979489. The next prime is 30097979531. The reversal of 30097979520 is 2597979003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65880 + ... + 254039.

It is an arithmetic number, because the mean of its divisors is an integer number (581254650).

Almost surely, 2^30097979520 is an apocalyptic number.

30097979520 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 30097979520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55800446400).

30097979520 is an abundant number, since it is smaller than the sum of its proper divisors (81502913280).

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

30097979520 is a wasteful number, since it uses less digits than its factorization.

30097979520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319955 (or 319936 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 30097979520 in words is "thirty billion, ninety-seven million, nine hundred seventy-nine thousand, five hundred twenty".