30809048976 has 80 divisors (see below), whose sum is σ = 88777800000. Its totient is φ = 10229686272.

The previous prime is 30809048951. The next prime is 30809049031. The reversal of 30809048976 is 67984090803.

30809048976 is a `hidden beast` number, since 3 + 0 + 8 + 0 + 90 + 489 + 76 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27726 + ... + 249773.

It is an arithmetic number, because the mean of its divisors is an integer number (1109722500).

Almost surely, 2^30809048976 is an apocalyptic number.

30809048976 is a gapful number since it is divisible by the number (36) 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 30809048976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44388900000).

30809048976 is an abundant number, since it is smaller than the sum of its proper divisors (57968751024).

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

30809048976 is a wasteful number, since it uses less digits than its factorization.

30809048976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277773 (or 277761 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 30809048976 in words is "thirty billion, eight hundred nine million, forty-eight thousand, nine hundred seventy-six".