29985624146 has 16 divisors (see below), whose sum is σ = 45409514976. Its totient is φ = 14849185536.

The previous prime is 29985624083. The next prime is 29985624173. The reversal of 29985624146 is 64142658992.

It is a junction number, because it is equal to n+sod(n) for n = 29985624091 and 29985624100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053170 + ... + 1081266.

It is an arithmetic number, because the mean of its divisors is an integer number (2838094686).

Almost surely, 2^29985624146 is an apocalyptic number.

29985624146 is a deficient number, since it is larger than the sum of its proper divisors (15423890830).

29985624146 is a wasteful number, since it uses less digits than its factorization.

29985624146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33193.

The product of its digits is 7464960, while the sum is 56.

The spelling of 29985624146 in words is "twenty-nine billion, nine hundred eighty-five million, six hundred twenty-four thousand, one hundred forty-six".