40081154016678 has 16 divisors (see below), whose sum is σ = 82117486278576. Its totient is φ = 13034521631360.

The previous prime is 40081154016653. The next prime is 40081154016751. The reversal of 40081154016678 is 87661045118004.

It is a super-3 number, since 3×40081154016678³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40081154016678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81465759951 + ... + 81465760442.

It is an arithmetic number, because the mean of its divisors is an integer number (5132342892411).

Almost surely, 2^{40081154016678} is an apocalyptic number.

40081154016678 is an abundant number, since it is smaller than the sum of its proper divisors (42036332261898).

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

40081154016678 is a wasteful number, since it uses less digits than its factorization.

40081154016678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162931520439.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 40081154016678 in words is "forty trillion, eighty-one billion, one hundred fifty-four million, sixteen thousand, six hundred seventy-eight".