40578927678 has 24 divisors (see below), whose sum is σ = 87927800688. Its totient is φ = 13525264512.

The previous prime is 40578927673. The next prime is 40578927709. The reversal of 40578927678 is 87672987504.

40578927678 is a `hidden beast` number, since 405 + 7 + 8 + 92 + 76 + 78 = 666.

40578927678 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 not an unprimeable number, because it can be changed into a prime (40578927673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173550 + ... + 333582.

It is an arithmetic number, because the mean of its divisors is an integer number (3663658362).

Almost surely, 2^40578927678 is an apocalyptic number.

40578927678 is an abundant number, since it is smaller than the sum of its proper divisors (47348873010).

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

40578927678 is a wasteful number, since it uses less digits than its factorization.

40578927678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174128 (or 174125 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

It can be divided in two parts, 40578 and 927678, that added together give a square (968256 = 984²).

The spelling of 40578927678 in words is "forty billion, five hundred seventy-eight million, nine hundred twenty-seven thousand, six hundred seventy-eight".