30699406944 has 144 divisors (see below), whose sum is σ = 90699270480. Its totient is φ = 10214553600.

The previous prime is 30699406891. The next prime is 30699406951. The reversal of 30699406944 is 44960499603.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×30699406944³ (a number of 32 digits) contains 333 as substring.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4670092 + ... + 4676660.

It is an arithmetic number, because the mean of its divisors is an integer number (629856045).

Almost surely, 2^30699406944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30699406944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45349635240).

30699406944 is an abundant number, since it is smaller than the sum of its proper divisors (59999863536).

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

30699406944 is an equidigital number, since it uses as much as digits as its factorization.

30699406944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7175 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 30699406944 in words is "thirty billion, six hundred ninety-nine million, four hundred six thousand, nine hundred forty-four".