41780813656 has 32 divisors (see below), whose sum is σ = 79760538000. Its totient is φ = 20512170496.

The previous prime is 41780813621. The next prime is 41780813681. The reversal of 41780813656 is 65631808714.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352860 + ... + 456148.

Almost surely, 2^41780813656 is an apocalyptic number.

It is an amenable number.

41780813656 is a deficient number, since it is larger than the sum of its proper divisors (37979724344).

41780813656 is a wasteful number, since it uses less digits than its factorization.

41780813656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104211 (or 104207 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 41780813656 in words is "forty-one billion, seven hundred eighty million, eight hundred thirteen thousand, six hundred fifty-six".