30400230420 has 96 divisors (see below), whose sum is σ = 108089721600. Its totient is φ = 6948623232.

The previous prime is 30400230361. The next prime is 30400230439. The reversal of 30400230420 is 2403200403.

30400230420 is a `hidden beast` number, since 30 + 400 + 230 + 4 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30400230393 and 30400230402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4017415 + ... + 4024974.

It is an arithmetic number, because the mean of its divisors is an integer number (1125934600).

Almost surely, 2^30400230420 is an apocalyptic number.

30400230420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30400230420 is an abundant number, since it is smaller than the sum of its proper divisors (77689491180).

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

30400230420 is a wasteful number, since it uses less digits than its factorization.

30400230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042414 (or 8042406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30400230420 its reverse (2403200403), we get a palindrome (32803430823).

The spelling of 30400230420 in words is "thirty billion, four hundred million, two hundred thirty thousand, four hundred twenty".