30942791446 has 16 divisors (see below), whose sum is σ = 53640796320. Its totient is φ = 13112193600.

The previous prime is 30942791441. The next prime is 30942791483. The reversal of 30942791446 is 64419724903.

It is a self number, because there is not a number n which added to its sum of digits gives 30942791446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942791441) 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 7 ways as a sum of consecutive naturals, for example, 12415605 + ... + 12418096.

It is an arithmetic number, because the mean of its divisors is an integer number (3352549770).

Almost surely, 2^30942791446 is an apocalyptic number.

30942791446 is a deficient number, since it is larger than the sum of its proper divisors (22698004874).

30942791446 is a wasteful number, since it uses less digits than its factorization.

30942791446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833799.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 30942791446 in words is "thirty billion, nine hundred forty-two million, seven hundred ninety-one thousand, four hundred forty-six".