40776078 has 16 divisors (see below), whose sum is σ = 93202560. Its totient is φ = 11650296.

The previous prime is 40776053. The next prime is 40776091. The reversal of 40776078 is 87067704.

It is a happy number.

40776078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485388 + ... + 485471.

It is an arithmetic number, because the mean of its divisors is an integer number (5825160).

Almost surely, 2^40776078 is an apocalyptic number.

40776078 is an abundant number, since it is smaller than the sum of its proper divisors (52426482).

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

40776078 is a wasteful number, since it uses less digits than its factorization.

40776078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970871.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 40776078 is about 6385.6149273191. The cubic root of 40776078 is about 344.1928283875.

The spelling of 40776078 in words is "forty million, seven hundred seventy-six thousand, seventy-eight".