41642556778 has 8 divisors (see below), whose sum is σ = 62812795680. Its totient is φ = 20704958220.

The previous prime is 41642556751. The next prime is 41642556821. The reversal of 41642556778 is 87765524614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58159638 + ... + 58160353.

It is an arithmetic number, because the mean of its divisors is an integer number (7851599460).

Almost surely, 2^41642556778 is an apocalyptic number.

41642556778 is a deficient number, since it is larger than the sum of its proper divisors (21170238902).

41642556778 is a wasteful number, since it uses less digits than its factorization.

41642556778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116320172.

The product of its digits is 11289600, while the sum is 55.

The spelling of 41642556778 in words is "forty-one billion, six hundred forty-two million, five hundred fifty-six thousand, seven hundred seventy-eight".