40518677179056 has 160 divisors (see below), whose sum is σ = 113205605806080. Its totient is φ = 12439409532928.

The previous prime is 40518677179051. The next prime is 40518677179061. The reversal of 40518677179056 is 65097177681504.

It is an interprime number because it is at equal distance from previous prime (40518677179051) and next prime (40518677179061).

It is a super-2 number, since 2×40518677179056² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40518677179051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266815660 + ... + 266967476.

It is an arithmetic number, because the mean of its divisors is an integer number (707535036288).

Almost surely, 2^{40518677179056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40518677179056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56602802903040).

40518677179056 is an abundant number, since it is smaller than the sum of its proper divisors (72686928627024).

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

40518677179056 is a wasteful number, since it uses less digits than its factorization.

40518677179056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158851 (or 158845 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 66.

The spelling of 40518677179056 in words is "forty trillion, five hundred eighteen billion, six hundred seventy-seven million, one hundred seventy-nine thousand, fifty-six".