40778412174 has 16 divisors (see below), whose sum is σ = 90618693840. Its totient is φ = 13592804040.

The previous prime is 40778412173. The next prime is 40778412383. The reversal of 40778412174 is 47121487704.

40778412174 is a `hidden beast` number, since 407 + 78 + 4 + 1 + 2 + 174 = 666.

40778412174 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 (40778412173) 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, 377577837 + ... + 377577944.

It is an arithmetic number, because the mean of its divisors is an integer number (5663668365).

Almost surely, 2^40778412174 is an apocalyptic number.

40778412174 is an abundant number, since it is smaller than the sum of its proper divisors (49840281666).

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

40778412174 is a wasteful number, since it uses less digits than its factorization.

40778412174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755155792 (or 755155786 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

Adding to 40778412174 its reverse (47121487704), we get a palindrome (87899899878).

The spelling of 40778412174 in words is "forty billion, seven hundred seventy-eight million, four hundred twelve thousand, one hundred seventy-four".