30620706442 has 32 divisors (see below), whose sum is σ = 49726680192. Its totient is φ = 14089242624.

The previous prime is 30620706437. The next prime is 30620706497. The reversal of 30620706442 is 24460702603.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 30620706398 and 30620706407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217803 + ... + 329665.

It is an arithmetic number, because the mean of its divisors is an integer number (1553958756).

Almost surely, 2^30620706442 is an apocalyptic number.

30620706442 is a deficient number, since it is larger than the sum of its proper divisors (19105973750).

30620706442 is a wasteful number, since it uses less digits than its factorization.

30620706442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112062.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 30620706442 in words is "thirty billion, six hundred twenty million, seven hundred six thousand, four hundred forty-two".