29400049655866 has 16 divisors (see below), whose sum is σ = 44112757265640. Its totient is φ = 14695797565440.

The previous prime is 29400049655849. The next prime is 29400049655917. The reversal of 29400049655866 is 66855694000492.

It can be written as a sum of positive squares in 4 ways, for example, as 28980683323641 + 419366332225 = 5383371^2 + 647585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29400049655798 and 29400049655807.

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, 217258146 + ... + 217393426.

Almost surely, 2^{29400049655866} is an apocalyptic number.

29400049655866 is a deficient number, since it is larger than the sum of its proper divisors (14712707609774).

29400049655866 is a wasteful number, since it uses less digits than its factorization.

29400049655866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165729.

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 29400049655866 in words is "twenty-nine trillion, four hundred billion, forty-nine million, six hundred fifty-five thousand, eight hundred sixty-six".