30299328990 has 640 divisors, whose sum is σ = 104778178560. Its totient is φ = 6120271872.

The previous prime is 30299328977. The next prime is 30299329043. The reversal of 30299328990 is 9982399203.

30299328990 is a `hidden beast` number, since 302 + 9 + 9 + 328 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 175140544 + ... + 175140716.

It is an arithmetic number, because the mean of its divisors is an integer number (163715904).

Almost surely, 2^30299328990 is an apocalyptic number.

30299328990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30299328990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52389089280).

30299328990 is an abundant number, since it is smaller than the sum of its proper divisors (74478849570).

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

30299328990 is a wasteful number, since it uses less digits than its factorization.

30299328990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 30299328990 in words is "thirty billion, two hundred ninety-nine million, three hundred twenty-eight thousand, nine hundred ninety".