30344021340 has 48 divisors (see below), whose sum is σ = 85917918240. Its totient is φ = 8000819200.

The previous prime is 30344021339. The next prime is 30344021401. The reversal of 30344021340 is 4312044303.

It is a self number, because there is not a number n which added to its sum of digits gives 30344021340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835861 + ... + 2846540.

It is an arithmetic number, because the mean of its divisors is an integer number (1789956630).

Almost surely, 2^30344021340 is an apocalyptic number.

30344021340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30344021340 is an abundant number, since it is smaller than the sum of its proper divisors (55573896900).

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

30344021340 is a wasteful number, since it uses less digits than its factorization.

30344021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682502 (or 5682500 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30344021340 its reverse (4312044303), we get a palindrome (34656065643).

The spelling of 30344021340 in words is "thirty billion, three hundred forty-four million, twenty-one thousand, three hundred forty".