29780336430 has 48 divisors (see below), whose sum is σ = 83384945280. Its totient is φ = 7330544064.

The previous prime is 29780336401. The next prime is 29780336441. The reversal of 29780336430 is 3463308792.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12725470 + ... + 12727809.

It is an arithmetic number, because the mean of its divisors is an integer number (1737186360).

Almost surely, 2^29780336430 is an apocalyptic number.

29780336430 is an abundant number, since it is smaller than the sum of its proper divisors (53604608850).

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

29780336430 is a wasteful number, since it uses less digits than its factorization.

29780336430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25453305 (or 25453302 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 29780336430 in words is "twenty-nine billion, seven hundred eighty million, three hundred thirty-six thousand, four hundred thirty".