30344000420 has 12 divisors (see below), whose sum is σ = 63722400924. Its totient is φ = 12137600160.

The previous prime is 30344000419. The next prime is 30344000431. The reversal of 30344000420 is 2400044303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3597360484 + 26746639936 = 59978^2 + 163544^2 .

It is a super-2 number, since 2×30344000420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1517200021 = 30344000420 / (3 + 0 + 3 + 4 + 4 + 0 + 0 + 0 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 30344000392 and 30344000401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758599991 + ... + 758600030.

It is an arithmetic number, because the mean of its divisors is an integer number (5310200077).

Almost surely, 2^30344000420 is an apocalyptic number.

It is an amenable number.

30344000420 is an abundant number, since it is smaller than the sum of its proper divisors (33378400504).

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

30344000420 is a wasteful number, since it uses less digits than its factorization.

30344000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517200030 (or 1517200028 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 30344000420 its reverse (2400044303), we get a palindrome (32744044723).

The spelling of 30344000420 in words is "thirty billion, three hundred forty-four million, four hundred twenty", and thus it is an aban number.