30333440421 has 24 divisors (see below), whose sum is σ = 44869762080. Its totient is φ = 19736218656.

The previous prime is 30333440399. The next prime is 30333440513. The reversal of 30333440421 is 12404433303.

30333440421 is a `hidden beast` number, since 303 + 334 + 4 + 0 + 4 + 21 = 666.

It is not a de Polignac number, because 30333440421 - 2²⁵ = 30299885989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30333441421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463510 + ... + 524888.

It is an arithmetic number, because the mean of its divisors is an integer number (1869573420).

Almost surely, 2^30333440421 is an apocalyptic number.

It is an amenable number.

30333440421 is a deficient number, since it is larger than the sum of its proper divisors (14536321659).

30333440421 is a wasteful number, since it uses less digits than its factorization.

30333440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62705 (or 62702 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30333440421 its reverse (12404433303), we get a palindrome (42737873724).

The spelling of 30333440421 in words is "thirty billion, three hundred thirty-three million, four hundred forty thousand, four hundred twenty-one".