30642891126 has 16 divisors (see below), whose sum is σ = 61341866544. Its totient is φ = 10204949664.

The previous prime is 30642891109. The next prime is 30642891127. The reversal of 30642891126 is 62119824603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30642891127) 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 7 ways as a sum of consecutive naturals, for example, 2329741 + ... + 2342856.

It is an arithmetic number, because the mean of its divisors is an integer number (3833866659).

Almost surely, 2^30642891126 is an apocalyptic number.

30642891126 is an abundant number, since it is smaller than the sum of its proper divisors (30698975418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30642891126 is a wasteful number, since it uses less digits than its factorization.

30642891126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673695.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 30642891126 in words is "thirty billion, six hundred forty-two million, eight hundred ninety-one thousand, one hundred twenty-six".