40779835776 has 64 divisors (see below), whose sum is σ = 120357164400. Its totient is φ = 13593277440.

The previous prime is 40779835771. The next prime is 40779835799. The reversal of 40779835776 is 67753897704.

40779835776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779835771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5896405 + ... + 5903316.

Almost surely, 2^40779835776 is an apocalyptic number.

It is an amenable number.

40779835776 is an abundant number, since it is smaller than the sum of its proper divisors (79577328624).

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

40779835776 is a wasteful number, since it uses less digits than its factorization.

40779835776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799744 (or 11799726 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 40779835776 in words is "forty billion, seven hundred seventy-nine million, eight hundred thirty-five thousand, seven hundred seventy-six".