29060806640 has 40 divisors (see below), whose sum is σ = 68164329168. Its totient is φ = 11521448960.

The previous prime is 29060806639. The next prime is 29060806651. The reversal of 29060806640 is 4660806092.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 1598306 + ... + 1616385.

Almost surely, 2^29060806640 is an apocalyptic number.

29060806640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29060806640 is an abundant number, since it is smaller than the sum of its proper divisors (39103522528).

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

29060806640 is a wasteful number, since it uses less digits than its factorization.

29060806640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214817 (or 3214811 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 29060806640 in words is "twenty-nine billion, sixty million, eight hundred six thousand, six hundred forty".