29016266640 has 80 divisors (see below), whose sum is σ = 89966878656. Its totient is φ = 7736256000.

The previous prime is 29016266633. The next prime is 29016266663. The reversal of 29016266640 is 4666261092.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29016266592 and 29016266601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370135 + ... + 2382345.

Almost surely, 2^29016266640 is an apocalyptic number.

29016266640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29016266640 is an abundant number, since it is smaller than the sum of its proper divisors (60950612016).

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

29016266640 is a wasteful number, since it uses less digits than its factorization.

29016266640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128 (or 22122 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 29016266640 in words is "twenty-nine billion, sixteen million, two hundred sixty-six thousand, six hundred forty".