29006644656 has 60 divisors (see below), whose sum is σ = 82365302936. Its totient is φ = 8789890560.

The previous prime is 29006644607. The next prime is 29006644657. The reversal of 29006644656 is 65644660092.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (29006644657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2491321 + ... + 2502936.

Almost surely, 2^29006644656 is an apocalyptic number.

It is an amenable number.

29006644656 is an abundant number, since it is smaller than the sum of its proper divisors (53358658280).

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

29006644656 is a wasteful number, since it uses less digits than its factorization.

29006644656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994290 (or 4994273 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 29006644656 in words is "twenty-nine billion, six million, six hundred forty-four thousand, six hundred fifty-six".