30455236642 has 8 divisors (see below), whose sum is σ = 45704001132. Its totient is φ = 15220569600.

The previous prime is 30455236573. The next prime is 30455236649. The reversal of 30455236642 is 24663255403.

It can be written as a sum of positive squares in 2 ways, for example, as 30426173761 + 29062881 = 174431^2 + 5391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30455236595 and 30455236604.

It is not an unprimeable number, because it can be changed into a prime (30455236649) 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 3 ways as a sum of consecutive naturals, for example, 3518959 + ... + 3527602.

Almost surely, 2^30455236642 is an apocalyptic number.

30455236642 is a deficient number, since it is larger than the sum of its proper divisors (15248764490).

30455236642 is a wasteful number, since it uses less digits than its factorization.

30455236642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048724.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 30455236642 in words is "thirty billion, four hundred fifty-five million, two hundred thirty-six thousand, six hundred forty-two".