40718238668580 has 192 divisors, whose sum is σ = 124755111548928. Its totient is φ = 9841023037440.

The previous prime is 40718238668579. The next prime is 40718238668587. The reversal of 40718238668580 is 8586683281704.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (40718238668587) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 285536457 + ... + 285679023.

It is an arithmetic number, because the mean of its divisors is an integer number (649766205984).

Almost surely, 2^{40718238668580} 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 40718238668580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62377555774464).

40718238668580 is an abundant number, since it is smaller than the sum of its proper divisors (84036872880348).

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

40718238668580 is a wasteful number, since it uses less digits than its factorization.

40718238668580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143906 (or 143904 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 40718238668580 in words is "forty trillion, seven hundred eighteen billion, two hundred thirty-eight million, six hundred sixty-eight thousand, five hundred eighty".