105030405420 has 48 divisors (see below), whose sum is σ = 296330082048. Its totient is φ = 27794303680.

The previous prime is 105030405413. The next prime is 105030405427. The reversal of 105030405420 is 24504030501.

It is an interprime number because it is at equal distance from previous prime (105030405413) and next prime (105030405427).

It is a super-2 number, since 2×105030405420² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105030405427) 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 15 ways as a sum of consecutive naturals, for example, 6673464 + ... + 6689183.

It is an arithmetic number, because the mean of its divisors is an integer number (6173543376).

Almost surely, 2^105030405420 is an apocalyptic number.

105030405420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105030405420 is an abundant number, since it is smaller than the sum of its proper divisors (191299676628).

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

105030405420 is a wasteful number, since it uses less digits than its factorization.

105030405420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362790 (or 13362788 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 105030405420 its reverse (24504030501), we get a palindrome (129534435921).

The spelling of 105030405420 in words is "one hundred five billion, thirty million, four hundred five thousand, four hundred twenty".