30253445446 has 24 divisors (see below), whose sum is σ = 55894423896. Its totient is φ = 12203069760.

The previous prime is 30253445441. The next prime is 30253445473. The reversal of 30253445446 is 64454435203.

It is a super-2 number, since 2×30253445446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30253445399 and 30253445408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253445441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9078000 + ... + 9081331.

It is an arithmetic number, because the mean of its divisors is an integer number (2328934329).

Almost surely, 2^30253445446 is an apocalyptic number.

30253445446 is a deficient number, since it is larger than the sum of its proper divisors (25640978450).

30253445446 is a wasteful number, since it uses less digits than its factorization.

30253445446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18159364 (or 18159357 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 30253445446 in words is "thirty billion, two hundred fifty-three million, four hundred forty-five thousand, four hundred forty-six".