30800994840 has 768 divisors, whose sum is σ = 130605696000. Its totient is φ = 6109655040.

The previous prime is 30800994839. The next prime is 30800994841. The reversal of 30800994840 is 4849900803.

It is a happy number.

30800994840 is a `hidden beast` number, since 3 + 0 + 80 + 0 + 99 + 484 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30800994839) and next prime (30800994841).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30800994841) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 60512506 + ... + 60513014.

It is an arithmetic number, because the mean of its divisors is an integer number (170059500).

Almost surely, 2^30800994840 is an apocalyptic number.

30800994840 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 30800994840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65302848000).

30800994840 is an abundant number, since it is smaller than the sum of its proper divisors (99804701160).

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

30800994840 is a wasteful number, since it uses less digits than its factorization.

30800994840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 30800994840 in words is "thirty billion, eight hundred million, nine hundred ninety-four thousand, eight hundred forty".