40411957878 has 24 divisors (see below), whose sum is σ = 87644044488. Its totient is φ = 13457606112.

The previous prime is 40411957867. The next prime is 40411957891. The reversal of 40411957878 is 87875911404.

40411957878 is a `hidden beast` number, since 4 + 0 + 411 + 95 + 78 + 78 = 666.

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 11 ways as a sum of consecutive naturals, for example, 1068100 + ... + 1105287.

It is an arithmetic number, because the mean of its divisors is an integer number (3651835187).

Almost surely, 2^40411957878 is an apocalyptic number.

40411957878 is an abundant number, since it is smaller than the sum of its proper divisors (47232086610).

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

40411957878 is a wasteful number, since it uses less digits than its factorization.

40411957878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174428 (or 2174425 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 40411957878 in words is "forty billion, four hundred eleven million, nine hundred fifty-seven thousand, eight hundred seventy-eight".